|  | C |
SECTION C — CHEMISTRY AND METALLURGY

|  | C |
Note(s) Definitions for Section C: Alkali metals: Li, Na, K, Rb, Cs, Fr Alkaline earth metals: Ca, Sr, Ba, Ra Lanthanides: elements with atomic numbers 57 to 71 inclusive Rare earths: Sc, Y, Lanthanides Actinides: elements with atomic numbers 89 to 103 inclusive Refractory metals: Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W Halogens: F, Cl, Br, I, At Noble gases: He, Ne, Ar, Kr, Xe, Rn Platinum group: Os, Ir, Pt, Ru, Rh, Pd Noble metals: Ag, Au, Platinum group Light metals: alkali metals, alkaline earth metals, Be, Al, Mg Heavy metals: metals other than light metals Iron group: Fe, Co, Ni Non-metals: H, B, C, Si, N, P, O, S, Se, Te, noble gases, halogens Metals: elements other than non-metals Transition elements: elements with atomic numbers 21 to 30 inclusive, 39 to 48 inclusive, 57 to 80 inclusive, 89 upwards

CHEMISTRY

|  | C08 |
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON (production of artificial threads, fibres, bristles or ribbons Fulltext... Hierarchy... Expanded...D01)

|  | C08G |
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS [2]

|  | C08G |
Note(s) In the absence of an indication to the contrary, an invention is classified in the last appropriate place within each main group. [2] In this sub-class, group Fulltext... Hierarchy... Expanded...C08G 18/00 takes precedence. A second classification should be given if the polymers are obtained by reactions forming specific linkages for which an appropriate group is provided. [2] In groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 61/00-C08G 79/00, in the absence of an indication to the contrary, macromolecular compounds obtained by reactions forming two different linkages in the main chain are classified only according to the linkage present in excess. [2]

|  | C08G 2/00 |
Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances [2]

|  | C08G 2/02 |
· | Polymerisation initiated by wave energy or by particle radiation [2]

|  | C08G 2/04 |
· | Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents [2]

|  | C08G 2/06 |
· | Catalysts (catalysts in general Fulltext... Hierarchy... Expanded...B01J) [2]

|  | C08G 2/08 |
· | Polymerisation of formaldehyde [2]

|  | C08G 2/10 |
· | Polymerisation of cyclic oligomers of formaldehyde [2]

|  | C08G 2/12 |
· | Polymerisation of acetaldehyde or cyclic oligomers thereof [2]

|  | C08G 2/14 |
· | Polymerisation of single aldehydes not provided for in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 2/08-C08G 2/12 [2]

|  | C08G 2/16 |
· | Polymerisation of single ketones [2]

|  | C08G 2/18 |
· | Copolymerisation of aldehydes or ketones [2]

|  | C08G 2/20 |
· · | with other aldehydes or ketones [2]

|  | C08G 2/22 |
· · | with epoxy compounds [2]

|  | C08G 2/24 |
· · | with acetals [2]

|  | C08G 2/26 |
· · | with compounds containing carbon-to-carbon unsaturation [2]

|  | C08G 2/28 |
· | Post-polymerisation treatments [2]

|  | C08G 2/30 |
· | Chemical modification by after-treatment [2]

|  | C08G 2/32 |
· · | by esterification [2]

|  | C08G 2/34 |
· · | by etherification [2]

|  | C08G 2/36 |
· · | by depolymerisation [2]

|  | C08G 2/38 |
· | Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds [2]

|  | C08G 4/00 |
Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O— (of cyclic oligomers of aldehydes Fulltext... Hierarchy... Expanded...C08G 2/00) [2]

|  | C08G 6/00 |
Condensation polymers of aldehydes or ketones only [2]

|  | C08G 6/02 |
· | of aldehydes with ketones [2]

|  | C08G 8/00 |
Condensation polymers of aldehydes or ketones with phenols only [2]

|  | C08G 8/02 |
· | of ketones [2]

|  | C08G 8/04 |
· | of aldehydes [2]

|  | C08G 8/06 |
· · | of furfural [2]

|  | C08G 8/08 |
· · | of formaldehyde [2]

|  | C08G 8/10 |
· · · | with phenol [2]

|  | C08G 8/12 |
· · · | with monohydric phenols having only one hydrocarbon substituent ortho or para to the OH group, e.g. p-tert.-butyl phenol [2]

|  | C08G 8/14 |
· · · | with halogenated phenols [2]

|  | C08G 8/16 |
· · · | with amino- or nitrophenols [2]

|  | C08G 8/18 |
· · · | with phenols substituted by carboxylic or sulphonic acid groups [2]

|  | C08G 8/20 |
· · · | with polyhydric phenols [2]

|  | C08G 8/22 |
· · · · | Resorcinol [2]

|  | C08G 8/24 |
· · · | with mixtures of two or more phenols which are not covered by only one of the groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 8/10-C08G 8/20 [2]

|  | C08G 8/26 |
· | from mixtures of aldehydes and ketones [2]

|  | C08G 8/28 |
· | Chemically modified polycondensates [2]

|  | C08G 8/30 |
· · | by unsaturated compounds, e.g. terpenes [2]

|  | C08G 8/32 |
· · | by organic acids or derivatives thereof, e.g. fatty oils [2]

|  | C08G 8/34 |
· · | by natural resins or resin acids, e.g. rosin [2]

|  | C08G 8/36 |
· · | by etherifying [2]

|  | C08G 8/38 |
· | Block or graft polymers prepared by polycondensation of aldehydes or ketones on to macromolecular compounds [2]

|  | C08G 10/00 |
Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or halogenated aromatic hydrocarbons only [2]

|  | C08G 10/02 |
· | of aldehydes [2]

|  | C08G 10/04 |
· · | Chemically modified polycondensates [2]

|  | C08G 10/06 |
· | Block or graft polymers prepared by polycondensation of aldehydes or ketones on to macromolecular compounds [2]

|  | C08G 12/00 |
Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen (aminophenols Fulltext... Hierarchy... Expanded...C08G 8/16) [2]

|  | C08G 12/02 |
· | of aldehydes [2]

|  | C08G 12/04 |
· · | with acyclic or carbocyclic compounds [2]

|  | C08G 12/06 |
· · · | Amines [2]

|  | C08G 12/08 |
· · · · | aromatic [2]

|  | C08G 12/10 |
· · · | with acyclic compounds having the moiety X=C (—N)2 in which X is O, S, or N— [2]

|  | C08G 12/12 |
· · · · | Ureas; Thioureas [2]

|  | C08G 12/14 |
· · · · | Dicyandiamides; Dicyandiamidines; Guanidines; Biguanides; Biuret; Semicarbazides [2]

|  | C08G 12/16 |
· · · · · | Dicyandiamides [2]

|  | C08G 12/18 |
· · · | with cyanamide [2]

|  | C08G 12/20 |
· · · | with urethanes or thiourethanes [2]

|  | C08G 12/22 |
· · · | with carboxylic acid amides (reaction polyamides with aldehydes Fulltext... Hierarchy... Expanded...C08G 69/50) [2]

|  | C08G 12/24 |
· · · | with sulphonic acid amides [2]

|  | C08G 12/26 |
· · | with heterocyclic compounds [2]

|  | C08G 12/28 |
· · · | with substituted diazines, diazoles or triazoles [2]

|  | C08G 12/30 |
· · · | with substituted triazines [2]

|  | C08G 12/32 |
· · · · | Melamines [2]

|  | C08G 12/34 |
· · · | and acyclic or carbocyclic compounds [2]

|  | C08G 12/36 |
· · · · | Ureas; Thioureas [2]

|  | C08G 12/38 |
· · · · · | and melamines [2]

|  | C08G 12/40 |
· · | Chemically modified polycondensates [2]

|  | C08G 12/42 |
· · · | by etherifying [2]

|  | C08G 12/44 |
· · · | by esterifying [2]

|  | C08G 12/46 |
· | Block or graft polymers prepared by polycondensation of aldehydes or ketones on to macromolecular compounds [2]

|  | C08G 14/00 |
Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 8/00-C08G 12/00 [2]

|  | C08G 14/02 |
· | of aldehydes [2]

|  | C08G 14/04 |
· · | with phenols [2]

|  | C08G 14/06 |
· · · | and monomers containing hydrogen attached to nitrogen [2]

|  | C08G 14/08 |
· · · · | Ureas; Thioureas [2]

|  | C08G 14/10 |
· · · · | Melamines [2]

|  | C08G 14/12 |
· · · | Chemically modified polycondensates [2]

|  | C08G 14/14 |
· | Block or graft polymers prepared by polycondensation of aldehydes or ketones on to macromolecular compounds [2]

|  | C08G 16/00 |
Condensation polymers of aldehydes or ketones with monomers not provided for in the groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 4/00-C08G 14/00 (with polynitriles Fulltext... Hierarchy... Expanded...C08G 69/38) [2]

|  | C08G 16/02 |
· | of aldehydes [2]

|  | C08G 16/04 |
· · | Chemically modified polycondensates [2]

|  | C08G 16/06 |
· | Block or graft polymers prepared by polycondensation of aldehydes or ketones on to macromolecular compounds [2]

|  | C08G 18/00 |
Polymeric products of isocyanates or isothiocyanates (preparatory processes of porous or cellular materials, in which the monomers or catalysts are not specific Fulltext... Hierarchy... Expanded...C08J) [2]

|  | C08G 18/02 |
· | of isocyanates or isothiocyanates only [2]

|  | C08G 18/04 |
· | with vinyl compounds [2]

|  | C08G 18/06 |
· | with compounds having active hydrogen [2]

|  | C08G 18/08 |
· · | Processes [2]

|  | C08G 18/10 |
· · · | Prepolymer processes [2]

|  | C08G 18/12 |
· · · · | using two or more compounds having active hydrogen in the first polymerisation step [2]

|  | C08G 18/14 |
· · · | Manufacture of cellular products [2]

|  | C08G 18/16 |
· · · | Catalysts (catalysts in general Fulltext... Hierarchy... Expanded...B01J) [2]

|  | C08G 18/18 |
· · · · | containing secondary or tertiary amines or salts thereof [2]

|  | C08G 18/20 |
· · · · · | Heterocyclic amines; Salts thereof [2]

|  | C08G 18/22 |
· · · · | containing metal compounds [2]

|  | C08G 18/24 |
· · · · · | of tin [2]

|  | C08G 18/26 |
· · · · · | of lead [2]

|  | C08G 18/28 |
· · | characterised by the compounds used containing active hydrogen [2]

|  | C08G 18/28 - C08G 18/69 |
Note(s) For the purpose of groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 18/28-C08G 18/69, the addition of water for the preparation of cellular materials is not taken into consideration. [2]

|  | C08G 18/30 |
· · · | Low-molecular-weight compounds [2]

|  | C08G 18/32 |
· · · · | Polyhydroxy compounds; Polyamines; Hydroxyamines [2]

|  | C08G 18/34 |
· · · · | Carboxylic acids; Esters thereof with monohydroxyl compounds [2]

|  | C08G 18/36 |
· · · · | Hydroxylated esters of higher fatty acids [2]

|  | C08G 18/38 |
· · · · | having hetero atoms other than oxygen (Fulltext... Hierarchy... Expanded...C08G 18/32 takes precedence) [2]

|  | C08G 18/40 |
· · · | High-molecular-weight compounds [2]

|  | C08G 18/42 |
· · · · | Polycondensates having carboxylic or carbonic ester groups in the main chain [2]

|  | C08G 18/44 |
· · · · · | Polycarbonates [2]

|  | C08G 18/46 |
· · · · · | having hetero atoms other than oxygen [2]

|  | C08G 18/48 |
· · · · | Polyethers [2]

|  | C08G 18/50 |
· · · · · | having hetero atoms other than oxygen [2]

|  | C08G 18/52 |
· · · · | Polythioethers [2]

|  | C08G 18/54 |
· · · · | Polycondensates of aldehydes [2]

|  | C08G 18/56 |
· · · · | Polyacetals [2]

|  | C08G 18/58 |
· · · · | Epoxy resins [2]

|  | C08G 18/60 |
· · · · | Polyamides or polyesteramides [2]

|  | C08G 18/61 |
· · · · | Polysiloxanes [2]

|  | C08G 18/62 |
· · · · | Polymers of compounds having carbon-to-carbon double bonds [2]

|  | C08G 18/63 |
· · · · | Block or graft polymers obtained by polymerising compounds on to polymers having carbon-to-carbon double bonds [2]

|  | C08G 18/64 |
· · · · | Macromolecular compounds not provided for by groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 18/42-C08G 18/63 [2]

|  | C08G 18/65 |
· · · | Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen [2]

|  | C08G 18/66 |
· · · · | Compounds of groups Fulltext... Hierarchy... Expanded...C08G 18/42, Fulltext... Hierarchy... Expanded...C08G 18/48, or Fulltext... Hierarchy... Expanded...C08G 18/52 [2]

|  | C08G 18/67 |
· · · | Unsaturated compounds having active hydrogen [2]

|  | C08G 18/68 |
· · · · | Unsaturated polyesters [2]

|  | C08G 18/69 |
· · · · | Polymers of conjugated dienes [2]

|  | C08G 18/70 |
· · | characterised by the isocyanates or isothiocyanates used [2]

|  | C08G 18/71 |
· · · | Monoisocyanates or monoisothiocyanates [2]

|  | C08G 18/72 |
· · · | Polyisocyanates or polyisothiocyanates [2]

|  | C08G 18/73 |
· · · · | acyclic [2]

|  | C08G 18/74 |
· · · · | cyclic [2]

|  | C08G 18/75 |
· · · · · | cycloaliphatic [2]

|  | C08G 18/76 |
· · · · · | aromatic [2]

|  | C08G 18/77 |
· · · · | having hetero atoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulphur [2]

|  | C08G 18/78 |
· · · · · | Nitrogen [2]

|  | C08G 18/79 |
· · · · · · | characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates [2]

|  | C08G 18/80 |
· · · · | Masked polyisocyanates [2]

|  | C08G 18/81 |
· · · | Unsaturated isocyanates or isothiocyanates [2]

|  | C08G 18/82 |
· · | Post-polymerisation treatment [2]

|  | C08G 18/83 |
· · | Chemically modified polymers [2]

|  | C08G 18/84 |
· · · | by aldehydes [2]

|  | C08G 18/85 |
· · · | by azo compounds [2]

|  | C08G 18/86 |
· · · | by peroxides [2]

|  | C08G 18/87 |
· · · | by sulphur [2]

|  | C08G 59/00 |
Polycondensates containing more than one epoxy group per molecule (low-molecular-weight polyepoxy compounds Fulltext... Hierarchy... Expanded...C07); Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups [2]

|  | C08G 59/02 |
· | Polycondensates containing more than one epoxy group per molecule [2]

|  | C08G 59/04 |
· · | of polyhydroxy compounds with epihalohydrins or precursors thereof [2]

|  | C08G 59/06 |
· · · | of polyhydric phenols [2]

|  | C08G 59/08 |
· · · · | from phenol-aldehyde condensates [2]

|  | C08G 59/10 |
· · | of polyamines with epihalohydrins or precursors thereof [2]

|  | C08G 59/12 |
· · | of polycarboxylic acids with epihalohydrins or precursors thereof [2]

|  | C08G 59/14 |
· | Polycondensates modified by chemical after-treatment [2]

|  | C08G 59/16 |
· · | by monocarboxylic acids or by anhydrides, halides or low-molecular-weight esters thereof [2]

|  | C08G 59/18 |
· | Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups [2]

|  | C08G 59/20 |
· · | characterised by the epoxy compounds used [2]

|  | C08G 59/20 |
Note(s) Preparation and curing of epoxy polycondensates, in which the epoxy polycondensate is not exclusively a low-molecular-weight compound and in which the method of curing is not important, are classified only in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 59/02-C08G 59/12. [2]

|  | C08G 59/22 |
· · · | Di-epoxy compounds [2]

|  | C08G 59/24 |
· · · · | carbocyclic [2]

|  | C08G 59/26 |
· · · · | heterocyclic [2]

|  | C08G 59/28 |
· · · · | containing acyclic nitrogen atoms [2]

|  | C08G 59/30 |
· · · · | containing atoms other than carbon, hydrogen, oxygen, and nitrogen [2]

|  | C08G 59/32 |
· · · | Epoxy compounds containing three or more epoxy groups [2]

|  | C08G 59/34 |
· · · · | obtained by epoxidation of an unsaturated polymer [2]

|  | C08G 59/36 |
· · · · | together with mono-epoxy compounds [2]

|  | C08G 59/38 |
· · · · | together with di-epoxy compounds [2]

|  | C08G 59/40 |
· · | characterised by the curing agents used [2]

|  | C08G 59/42 |
· · · | Polycarboxylic acids; Anhydrides, halides, or low-molecular-weight esters thereof [2]

|  | C08G 59/44 |
· · · | Amides [2]

|  | C08G 59/46 |
· · · · | together with other curing agents [2]

|  | C08G 59/48 |
· · · · · | with polycarboxylic acids or with anhydrides, halides, or low-molecular-weight esters thereof [2]

|  | C08G 59/50 |
· · · | Amines [2]

|  | C08G 59/52 |
· · · · | Aminocarboxylic acids [2]

|  | C08G 59/54 |
· · · · | Aminoamides [2]

|  | C08G 59/56 |
· · · · | together with other curing agents [2]

|  | C08G 59/58 |
· · · · · | with polycarboxylic acids or with anhydrides, halides, or low-molecular-weight esters thereof [2]

|  | C08G 59/60 |
· · · · · | with amides [2]

|  | C08G 59/62 |
· · · | Alcohols or phenols [2]

|  | C08G 59/64 |
· · · · | Aminoalcohols [2]

|  | C08G 59/66 |
· · · | Mercaptans [2]

|  | C08G 59/68 |
· · | characterised by the catalysts used [2]

|  | C08G 59/70 |
· · · | Chelates [2]

|  | C08G 59/72 |
· · · | Complexes of boron halides [2]

|  | C08G 61/00 |
Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule (Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 2/00-C08G 16/00 take precedence) [2]

|  | C08G 61/02 |
· | Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes [2]

|  | C08G 61/04 |
· · | only aliphatic carbon atoms [2]

|  | C08G 61/06 |
· · · | prepared by ring-opening of carbocyclic compounds [2]

|  | C08G 61/08 |
· · · · | of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring [2]

|  | C08G 61/10 |
· · | only aromatic carbon atoms, e.g. polyphenylenes [2]

|  | C08G 61/12 |
· | Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule [2]

|  | C08G 63/00 |
Macromolecular compounds obtained by reactions forming a carboxylic or carbonic ester link in the main chain of the macromolecule (polyester-amides Fulltext... Hierarchy... Expanded...C08G 69/44; polyester-imides Fulltext... Hierarchy... Expanded...C08G 73/16) [2]

|  | C08G 63/02 |
· | Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds [2]

|  | C08G 63/04 |
· · | Preparatory processes characterised by the catalysts used [2]

|  | C08G 63/06 |
· · | derived from hydroxycarboxylic acids [2]

|  | C08G 63/08 |
· · · | Lactones or lactides [2]

|  | C08G 63/10 |
· · · · | Preparatory processes characterised by the catalysts used [2]

|  | C08G 63/12 |
· · | derived from polycarboxylic acids and polyhydroxy compounds [2]

|  | C08G 63/14 |
· · · | Preparatory processes characterised by the catalysts used [2]

|  | C08G 63/16 |
· · · | Dicarboxylic acids and dihydroxy compounds [2]

|  | C08G 63/18 |
· · · · | the acids or hydroxy compounds containing carbocyclic rings [2]

|  | C08G 63/20 |
· · · · | Preparation of polyesters in the presence of compounds having one reactive group or more than two reactive groups [2]

|  | C08G 63/22 |
· · · · | Preparatory processes [2]

|  | C08G 63/24 |
· · · · · | Interfacial processes, i.e. processes involving a reaction at the interface of two non-miscible liquids [2]

|  | C08G 63/26 |
· · · · · | Solid-state polycondensation [2]

|  | C08G 63/28 |
· · · · · | using solvents [2]

|  | C08G 63/30 |
· · · · · | characterised by the catalysts used [2]

|  | C08G 63/32 |
· · · · · · | Boron, aluminium, gallium, indium, thallium, rare earth metals, or compounds thereof [2]

|  | C08G 63/34 |
· · · · · · | Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof [2]

|  | C08G 63/36 |
· · · · · · · | Germanium, antimony, or compounds thereof [2]

|  | C08G 63/38 |
· · · · · · | Other non-metals or inter-compounds thereof [2]

|  | C08G 63/40 |
· · · | Preparation of polyesters from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof [2]

|  | C08G 63/42 |
· · · · | Cyclic ethers (Fulltext... Hierarchy... Expanded...C08G 59/00 takes precedence); Cyclic carbonates; Cyclic sulphites [2]

|  | C08G 63/44 |
· · · · | Polyamides; Polynitriles [2]

|  | C08G 63/46 |
· · · | Chemically modified polyesters (Fulltext... Hierarchy... Expanded...C08G 63/20 takes precedence) [2]

|  | C08G 63/48 |
· · · · | by unsaturated higher fatty oils or their acids; by resin acids [2]

|  | C08G 63/50 |
· · · · | by monohydric alcohols [2]

|  | C08G 63/52 |
· · · | Polycarboxylic acids and polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation [2]

|  | C08G 63/54 |
· · · · | the acids or hydroxy compounds containing a carbocyclic ring [2]

|  | C08G 63/56 |
· · · · | Preparation from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof [2]

|  | C08G 63/58 |
· · · · · | Cyclic ethers (Fulltext... Hierarchy... Expanded...C08G 59/00 takes precedence); Cyclic carbonates; Cyclic sulphites [2]

|  | C08G 63/60 |
· · | derived from the combination of hydroxycarboxylic acids, polycarboxylic acids, and polyhydroxy compounds [2]

|  | C08G 63/62 |
· | Polycarbonates [2]

|  | C08G 63/64 |
· | Polyesters containing both carboxylic ester groups and carbonate groups [2]

|  | C08G 63/66 |
· | Polyesters containing oxygen in the form of ether groups (Fulltext... Hierarchy... Expanded...C08G 63/42, Fulltext... Hierarchy... Expanded...C08G 63/58 take precedence) [2]

|  | C08G 63/68 |
· | Polyesters containing atoms other than carbon, hydrogen, and oxygen [2]

|  | C08G 63/70 |
· | Post-polymerisation treatment [2]

|  | C08G 63/72 |
· · | Recovery of the polymer [2]

|  | C08G 63/74 |
· · | Purifying; Drying [2]

|  | C08G 63/76 |
· | Polymers modified by chemical after-treatment [2]

|  | C08G 65/00 |
Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule (polyacetals Fulltext... Hierarchy... Expanded...C08G 2/00, Fulltext... Hierarchy... Expanded...C08G 4/00; epoxy resins Fulltext... Hierarchy... Expanded...C08G 59/00; polythioether-ethers Fulltext... Hierarchy... Expanded...C08G 75/12; polyethers containing less than eleven monomer units Fulltext... Hierarchy... Expanded...C07C) [2]

|  | C08G 65/02 |
· | from cyclic ethers by opening of the heterocyclic ring [2]

|  | C08G 65/04 |
· · | from cyclic ethers only [2]

|  | C08G 65/06 |
· · · | Cyclic ethers having no atoms other than carbon and hydrogen outside the ring [2]

|  | C08G 65/08 |
· · · · | Saturated oxiranes [2]

|  | C08G 65/10 |
· · · · · | characterised by the catalysts used [2]

|  | C08G 65/12 |
· · · · · · | containing organo-metallic compounds or metal hydrides [2]

|  | C08G 65/14 |
· · · · | Unsaturated oxiranes [2]

|  | C08G 65/16 |
· · · · | Cyclic ethers having four or more ring atoms [2]

|  | C08G 65/18 |
· · · · · | Oxetanes [2]

|  | C08G 65/20 |
· · · · · | Tetrahydrofuran [2]

|  | C08G 65/22 |
· · · | Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring [2]

|  | C08G 65/24 |
· · · · | Epihalohydrins [2]

|  | C08G 65/26 |
· · | from cyclic ethers and other compounds [2]

|  | C08G 65/28 |
· · · | Cyclic ethers and hydroxy compounds [2]

|  | C08G 65/30 |
· · | Post-polymerisation treatment, e.g. recovery, purification, drying [2]

|  | C08G 65/32 |
· · | Polymers modified by chemical after-treatment [2]

|  | C08G 65/34 |
· | from hydroxy compounds or their metallic derivatives (Fulltext... Hierarchy... Expanded...C08G 65/28 takes precedence) [2]

|  | C08G 65/36 |
· · | Furfuryl alcohol [2]

|  | C08G 65/38 |
· · | derived from phenols [2]

|  | C08G 65/40 |
· · · | from phenols and other compounds [2]

|  | C08G 65/42 |
· · · · | Phenols and polyhydroxy ethers [2]

|  | C08G 65/44 |
· · · | by oxidation of phenols [2]

|  | C08G 65/46 |
· · | Post-polymerisation treatment, e.g. recovery, purification, drying [2]

|  | C08G 65/48 |
· · | Polymers modified by chemical after-treatment [2]

|  | C08G 67/00 |
Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing oxygen or oxygen and carbon, not provided for in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 2/00-C08G 65/00 [2]

|  | C08G 67/02 |
· | Copolymers of carbon monoxide and aliphatic unsaturated compounds [2]

|  | C08G 67/04 |
· | Polyanhydrides [2]

|  | C08G 69/00 |
Macromolecular compounds obtained by reactions forming a carboxylic amide link in the chain of the macromolecule (products obtained from isocyanates or isothiocyanates Fulltext... Hierarchy... Expanded...C08G 18/00; polyamide-imides Fulltext... Hierarchy... Expanded...C08G 73/14) [2]

|  | C08G 69/02 |
· | Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids [2]

|  | C08G 69/04 |
· · | Preparatory processes [2]

|  | C08G 69/06 |
· · · | Solid state polycondensation [2]

|  | C08G 69/08 |
· · | derived from amino-carboxylic acids [2]

|  | C08G 69/10 |
· · · | alpha-amino-carboxylic acids [2]

|  | C08G 69/12 |
· · · | with both amino and carboxylic groups aromatically bound [2]

|  | C08G 69/14 |
· · · | Lactams [2]

|  | C08G 69/16 |
· · · · | Preparatory processes [2]

|  | C08G 69/18 |
· · · · · | Anionic polymerisation [2]

|  | C08G 69/20 |
· · · · · · | characterised by the catalysts used [2]

|  | C08G 69/22 |
· · · · | beta-Lactams [2]

|  | C08G 69/24 |
· · · · | Pyrrolidones or piperidones [2]

|  | C08G 69/26 |
· · | derived from polyamines and polycarboxylic acids [2]

|  | C08G 69/28 |
· · · | Preparatory processes [2]

|  | C08G 69/30 |
· · · · | Solid state polycondensation [2]

|  | C08G 69/32 |
· · · | from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound [2]

|  | C08G 69/34 |
· · · | using polymerised unsaturated fatty acids [2]

|  | C08G 69/36 |
· · | derived from amino acids, polyamines, and polycarboxylic acids [2]

|  | C08G 69/38 |
· | Polyamides prepared from aldehydes and polynitriles [2]

|  | C08G 69/40 |
· | Polyamides containing oxygen in the form of ether groups (Fulltext... Hierarchy... Expanded...C08G 69/12, Fulltext... Hierarchy... Expanded...C08G 69/32 take precedence) [2]

|  | C08G 69/42 |
· | Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen (Fulltext... Hierarchy... Expanded...C08G 69/12, Fulltext... Hierarchy... Expanded...C08G 69/32 take precedence) [2]

|  | C08G 69/44 |
· | Polyester-amides [2]

|  | C08G 69/46 |
· | Post-polymerisation treatment [2]

|  | C08G 69/48 |
· | Polymers modified by chemical after-treatment [2]

|  | C08G 69/50 |
· · | with aldehydes [2]

|  | C08G 71/00 |
Macromolecular compounds obtained by reactions forming a ureide or urethane link, otherwise than from isocyanate radicals in the main chain of the macromolecule [2]

|  | C08G 71/02 |
· | Polyureas [2]

|  | C08G 71/04 |
· | Polyurethanes [2]

|  | C08G 73/00 |
Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 12/00-C08G 71/00 [2]

|  | C08G 73/02 |
· | Polyamines (containing less than eleven monomer units Fulltext... Hierarchy... Expanded...C07C) [2]

|  | C08G 73/04 |
· · | derived from alkyleneimines [2]

|  | C08G 73/06 |
· | Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule [2]

|  | C08G 73/08 |
· · | Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles [2]

|  | C08G 73/10 |
· · | Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors [2]

|  | C08G 73/12 |
· · · | Unsaturated polyimide precursors [2]

|  | C08G 73/14 |
· · · | Polyamide-imides [2]

|  | C08G 73/16 |
· · · | Polyester-imides [2]

|  | C08G 73/18 |
· · | Polybenzimidazoles [2]

|  | C08G 73/20 |
· · | Pyrrones [2]

|  | C08G 73/22 |
· · | Polybenzoxazoles [2]

|  | C08G 73/24 |
· | Copolymers of a fluoronitroso organic compound and another fluoro organic compound, e.g. nitroso rubbers [2]

|  | C08G 73/26 |
· · | of trifluoronitrosomethane with a fluoro-olefine [2]

|  | C08G 75/00 |
Macromolecular compounds obtained by reactions forming a linkage containing sulphur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule [2]

|  | C08G 75/02 |
· | Polythioethers [2]

|  | C08G 75/04 |
· · | from mercapto compounds or metallic derivatives thereof [2]

|  | C08G 75/06 |
· · | from cyclic thioethers [2]

|  | C08G 75/08 |
· · · | from thiiranes [2]

|  | C08G 75/10 |
· · | from sulphur or sulphur-containing compounds and aldehydes or ketones [2]

|  | C08G 75/12 |
· | Polythioether-ethers [2]

|  | C08G 75/14 |
· | Polysulphides [2]

|  | C08G 75/16 |
· · | by polycondensation of organic compounds with inorganic polysulphides [2]

|  | C08G 75/18 |
· | Polysulphoxides [2]

|  | C08G 75/20 |
· | Polysulphones [2]

|  | C08G 75/22 |
· · | Copolymers of sulphur dioxide with unsaturated aliphatic compounds [2]

|  | C08G 75/23 |
· · | Polyether sulphones [2]

|  | C08G 75/24 |
· | Polysulphonates [2]

|  | C08G 75/26 |
· | Polythioesters [2]

|  | C08G 75/28 |
· | Polythiocarbonates [2]

|  | C08G 75/30 |
· | Polysulphonamides; Polysulphonimides [2]

|  | C08G 75/32 |
· | Polythiazoles; Polythiadiazoles [2]

|  | C08G 77/00 |
Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulphur, nitrogen, oxygen, or carbon in the main chain of the macromolecule [2]

|  | C08G 77/02 |
· | Polysilicates [2]

|  | C08G 77/04 |
· | Polysiloxanes [2]

|  | C08G 77/06 |
· · | Preparatory processes [2]

|  | C08G 77/08 |
· · · | characterised by the catalysts used [2]

|  | C08G 77/10 |
· · · | Equilibration processes [2]

|  | C08G 77/12 |
· · | containing silicon bound to hydrogen [2]

|  | C08G 77/14 |
· · | containing silicon bound to oxygen-containing groups [2]

|  | C08G 77/16 |
· · · | to hydroxyl groups [2]

|  | C08G 77/18 |
· · · | to alkoxy or aryloxy groups [2]

|  | C08G 77/20 |
· · | containing silicon bound to unsaturated aliphatic groups [2]

|  | C08G 77/22 |
· · | containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen [2]

|  | C08G 77/24 |
· · · | halogen-containing groups [2]

|  | C08G 77/26 |
· · · | nitrogen-containing groups [2]

|  | C08G 77/28 |
· · · | sulphur-containing groups [2]

|  | C08G 77/30 |
· · · | phosphorus-containing groups [2]

|  | C08G 77/32 |
· · | Post-polymerisation treatment (chemical after-treatment Fulltext... Hierarchy... Expanded...C08G 77/38) [2]

|  | C08G 77/34 |
· · · | Purification [2]

|  | C08G 77/36 |
· · · | Fractionation [2]

|  | C08G 77/38 |
· · | Polysiloxanes modified by chemical after-treatment [2]

|  | C08G 77/40 |
· · · | by introducing substituents or replacing existing substituents [2]

|  | C08G 77/42 |
· | Block or graft polymers containing polysiloxane sequences (polymerising aliphatic unsaturated monomers on to a polysiloxane Fulltext... Hierarchy... Expanded...C08F 283/12) [2]

|  | C08G 77/44 |
· · | containing only polysiloxane sequences [2]

|  | C08G 77/46 |
· · | containing polyether sequences [2]

|  | C08G 77/48 |
· | in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms (Fulltext... Hierarchy... Expanded...C08G 77/42 takes precedence) [2]

|  | C08G 77/50 |
· · | by carbon linkages [2]

|  | C08G 77/52 |
· · · | containing aromatic rings [2]

|  | C08G 77/54 |
· · | nitrogen-containing linkages [2]

|  | C08G 77/56 |
· · | boron-containing linkages [2]

|  | C08G 77/58 |
· · | metal-containing linkages [2]

|  | C08G 77/60 |
· | in which all the silicon atoms are connected by linkages other than oxygen atoms [2]

|  | C08G 77/62 |
· · | nitrogen atoms [2]

|  | C08G 79/00 |
Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulphur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule [2]

|  | C08G 79/02 |
· | a linkage containing phosphorus [2]

|  | C08G 79/04 |
· · | Phosphorus linked to oxygen or to oxygen and carbon [2]

|  | C08G 79/06 |
· · | Phosphorus linked to carbon only [2]

|  | C08G 79/08 |
· | a linkage containing boron [2]

|  | C08G 79/10 |
· | a linkage containing aluminium [2]

|  | C08G 79/12 |
· | a linkage containing tin [2]

|  | C08G 79/14 |
· | a linkage containing two or more elements other than carbon, oxygen, nitrogen, sulphur, and silicon [2]

|  | C08G 81/00 |
Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers (involving only carbon-to-carbon unsaturated bond reactions Fulltext... Hierarchy... Expanded...C08F 299/00) [2]

|  | C08G 81/02 |
· | at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds [2]

|  | C08G 83/00 |
Macromolecular compounds not provided for in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C08G 2/00-C08G 81/00 [2]

|  | C08G 85/00 |
General processes for preparing compounds provided for in this sub-class [2]