|  | 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)

|  | C08J |
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT (layered products, manufacture thereof Fulltext... Hierarchy... Expanded...B32B) [2]

|  | C08J |
Note(s) In this sub-class, in the absence of an indication to the contrary, an invention is classified in the last appropriate place. [2]

|  | C08J 3/00 |
Processes of treating or compounding macromolecular substances [2]

|  | C08J 3/02 |
· | Making solutions, dispersions or latices by other methods than by solution, emulsion or suspension polymerisation techniques [2]

|  | C08J 3/04 |
· · | from solid polymer [2]

|  | C08J 3/06 |
· · · | in inorganic liquids [2]

|  | C08J 3/08 |
· · · | in organic liquids [2]

|  | C08J 3/10 |
· · | from a polymer solution [2]

|  | C08J 3/12 |
· | Powdering or granulating [2]

|  | C08J 3/14 |
· · | by precipitation from solutions [2]

|  | C08J 3/16 |
· · | by coagulating dispersions [2]

|  | C08J 3/18 |
· | Plasticising macromolecular compounds (plasticisers Fulltext... Hierarchy... Expanded...C08K) [2]

|  | C08J 3/20 |
· | Compounding polymers with additives, e.g. colouring [2]

|  | C08J 3/22 |
· · | using masterbatch techniques [2]

|  | C08J 3/24 |
· | Crosslinking, e.g. vulcanising, of macromolecules (crosslinking agents Fulltext... Hierarchy... Expanded...C08K; mechanical features in the vulcanisation of rubber Fulltext... Hierarchy... Expanded...B29H 5/00) [2]

|  | C08J 3/26 |
· · | of latex [2]

|  | C08J 3/28 |
· | Treatment by wave energy or particle radiation [2]

|  | C08J 5/00 |
Manufacture of articles or shaped materials containing macromolecular substances (mechanical features see the relevant classes, e.g. Fulltext... Hierarchy... Expanded...B29) [2]

|  | C08J 5/02 |
· | Direct processing of dispersions, e.g. latex, to articles [2]

|  | C08J 5/04 |
· | Reinforcing macromolecular compounds with loose or coherent fibrous material (after-treatment of threads during manufacture Fulltext... Hierarchy... Expanded...D01F; finishing of textiles Fulltext... Hierarchy... Expanded...D06M) [2]

|  | C08J 5/06 |
· · | using pretreated fibrous materials [2]

|  | C08J 5/08 |
· · · | glass fibres [2]

|  | C08J 5/10 |
· · | characterised by the additives used in the polymer mixture [2]

|  | C08J 5/12 |
· | Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives [2]

|  | C08J 5/14 |
· | Manufacture of abrasive or friction articles or materials [2]

|  | C08J 5/16 |
· | Manufacture of articles or materials having reduced friction [2]

|  | C08J 5/18 |
· | Manufacture of films or sheets [2]

|  | C08J 5/20 |
· | Manufacture of shaped structures of ion-exchange resins [2]

|  | C08J 5/22 |
· · | Films, membranes or diaphragms [2]

|  | C08J 5/24 |
· | Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs [2]

|  | C08J 7/00 |
Treatment or coating of shaped articles made of macromolecular substances (electrolytic deposition of metals Fulltext... Hierarchy... Expanded...C25) [2]

|  | C08J 7/02 |
· | with solvents, e.g. swelling agents [2]

|  | C08J 7/04 |
· | Coating [2]

|  | C08J 7/06 |
· · | with compositions not containing macromolecular substances [2]

|  | C08J 7/08 |
· | Heat treatment [2]

|  | C08J 7/10 |
· | Treatment by wave energy or particle radiation [2]

|  | C08J 7/12 |
· | Chemical modification [2]

|  | C08J 7/14 |
· · | with acids, their salts or anhydrides [2]

|  | C08J 7/16 |
· · | with polymerisable compounds [2]

|  | C08J 7/18 |
· · · | using wave energy or particle radiation [2]

|  | C08J 9/00 |
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects Fulltext... Hierarchy... Expanded...B29D 27/00; foamed polymeric products of isocyanates or isothiocyanates characterised by the monomers or catalysts used Fulltext... Hierarchy... Expanded...C08G 18/00) [2]

|  | C08J 9/02 |
· | using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules [2]

|  | C08J 9/04 |
· | using blowing gases generated by a previously added blowing agent [2]

|  | C08J 9/06 |
· · | by a chemical blowing agent [2]

|  | C08J 9/08 |
· · · | developing carbon dioxide [2]

|  | C08J 9/10 |
· · · | developing nitrogen [2]

|  | C08J 9/12 |
· · | by a physical blowing agent [2]

|  | C08J 9/14 |
· · · | organic [2]

|  | C08J 9/16 |
· | Making or treating expandable particles [2]

|  | C08J 9/18 |
· · | by impregnating polymer particles with the blowing agent [2]

|  | C08J 9/20 |
· · | by suspension polymerisation in the presence of the blowing agent [2]

|  | C08J 9/22 |
· · | After-treatment of expandable particles; Pre-expansion of expandable particles; Forming foamed products, e.g. using a binder [2]

|  | C08J 9/24 |
· | by surface fusion and bonding of particles to form voids, e.g. sintering (of expandable particles Fulltext... Hierarchy... Expanded...C08J 9/22) [2]

|  | C08J 9/26 |
· | by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out [2]

|  | C08J 9/28 |
· | by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum [2]

|  | C08J 9/30 |
· | by mixing gases into liquid compositions or plastisols, e.g. frothing with air [2]

|  | C08J 9/32 |
· | from compositions containing microballoons, e.g. syntactic foams (making microballoons Fulltext... Hierarchy... Expanded...B01J 13/02) [2]

|  | C08J 9/34 |
· | Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core [2]

|  | C08J 9/36 |
· | After-treatment [2]

|  | C08J 9/38 |
· · | Destruction of cell membranes [2]

|  | C08J 9/40 |
· · | Impregnation [2]

|  | C08J 9/42 |
· · · | with macromolecular compounds [2]

|  | C08J 11/00 |
Recovery of waste materials [2]

|  | C08J 11/02 |
· | of solvents or plasticisers [2]

|  | C08J 11/04 |
· | of polymers [2]