|  | C |
SECTION C — CHEMISTRY AND METALLURGY

CHEMISTRY

|  | C08 |
MACROMOLECULAR COMPOUNDS; THEIR PREPARATION AND CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON (production of cellulose Fulltext... Hierarchy... Expanded...D21; production of starch, sugar and like carbohydrates Fulltext... Hierarchy... Expanded...C13; explosive compositions Fulltext... Hierarchy... Expanded...C06; paints, lacquers, inks Fulltext... Hierarchy... Expanded...C09D; lubricating compositions Fulltext... Hierarchy... Expanded...C10M; production of artificial threads, fibres, bristles, and ribbons, including compositions therefor Fulltext... Hierarchy... Expanded...D01; textile-treating compositions Fulltext... Hierarchy... Expanded...D06)

|  | C08B |
POLYSACCHARIDES AND THEIR DERIVATIVES

|  | C08B 1/00 - C08B 19/00 |
Preparation

|  | C08B 1/00 |
Preparatory treatment of cellulose for making derivatives thereof

|  | C08B 1/02 |
· | Rendering cellulose suitable for esterification

|  | C08B 1/04 |
· · | for the preparation of cellulose nitrate

|  | C08B 1/06 |
· | Rendering cellulose suitable for etherification

|  | C08B 1/08 |
· | alkali cellulose

|  | C08B 1/10 |
· · | Apparatus for the preparation of alkali cellulose

|  | C08B 1/12 |
· · · | Steeping devices

|  | C08B 1/14 |
· · · | Ripening devices

|  | C08B 3/00 |
Preparation of cellulose esters of organic acids

|  | C08B 3/02 |
· | Catalysts used for the esterification

|  | C08B 3/04 |
· | cellulose formate

|  | C08B 3/06 |
· | cellulose acetate

|  | C08B 3/08 |
· | of monobasic organic acids with three or more carbon atoms

|  | C08B 3/10 |
· · | with five or more carbon atoms

|  | C08B 3/12 |
· | of polybasic organic acids

|  | C08B 3/14 |
· | in which the organic acid residue contains substituents, e.g. NH2, Cl

|  | C08B 3/16 |
· | Preparation of mixed organic cellulose esters

|  | C08B 3/18 |
· · | Aceto-butyrates

|  | C08B 3/20 |
· | Esterification with maintenance of the fibrous structure of the cellulose (surface esterification of textiles Fulltext... Hierarchy... Expanded...D06M 13/00)

|  | C08B 3/22 |
· | Post-esterification treatments, including purification

|  | C08B 3/24 |
· · | Hydrolysis or ripening

|  | C08B 3/26 |
· · | Isolation of the cellulose ester

|  | C08B 3/28 |
· · · | by precipitation

|  | C08B 3/30 |
· · | Stabilising (by addition of stabilisers Fulltext... Hierarchy... Expanded...C08B 27/62)

|  | C08B 3/32 |
· | Recovery of waste materials

|  | C08B 5/00 |
Preparation of cellulose esters of inorganic acids

|  | C08B 5/02 |
· | cellulose nitrate

|  | C08B 5/04 |
· · | post-esterification treatments, including purification

|  | C08B 5/06 |
· · · | Isolation of the cellulose nitrate

|  | C08B 5/08 |
· · · | Stabilisation (by addition of stabilisers Fulltext... Hierarchy... Expanded...C08B 27/62)

|  | C08B 5/10 |
· · · | Reducing the viscosity

|  | C08B 5/12 |
· · · | Replacing the water by organic liquids

|  | C08B 5/14 |
· | cellulose sulphate

|  | C08B 5/16 |
· | Recovery of waste materials

|  | C08B 7/00 |
Preparation of cellulose esters of both organic and inorganic acids

|  | C08B 9/00 |
Cellulose xanthate; Viscose

|  | C08B 9/02 |
· | Sulphidisers; Dissolvers

|  | C08B 9/04 |
· | Continuous processes

|  | C08B 9/06 |
· | Single-stage processes

|  | C08B 9/08 |
· | Recovery of waste materials

|  | C08B 11/00 |
Preparation of cellulose ethers

|  | C08B 11/02 |
· | alkyl or cycloalkyl ethers

|  | C08B 11/04 |
· · | with substituted hydrocarbon radicals

|  | C08B 11/06 |
· · · | with halogen-substituted hydrocarbon radicals

|  | C08B 11/08 |
· · · | with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof

|  | C08B 11/10 |
· · · | substituted with acid radicals

|  | C08B 11/12 |
· · · · | substituted with carboxylic radicals

|  | C08B 11/14 |
· · · | with nitrogen-containing groups

|  | C08B 11/16 |
· | aryl or aralkyl ethers

|  | C08B 11/18 |
· · | with substituted hydrocarbon radicals

|  | C08B 11/20 |
· | Post-etherification treatments, including purification

|  | C08B 11/22 |
· · | Isolation

|  | C08B 13/00 |
Preparation of cellulose ether-esters

|  | C08B 13/02 |
· | cellulose ether xanthates

|  | C08B 15/00 |
Preparation of other cellulose derivatives or modified cellulose

|  | C08B 15/02 |
· | oxycellulose; hydrocellulose; cellulose hydrate

|  | C08B 15/04 |
· · | carboxycellulose, e.g. prepared by oxidation with nitrogen dioxide

|  | C08B 15/06 |
· | Nitrogen derivatives

|  | C08B 17/00 |
Apparatus for esterification or etherification of cellulose

|  | C08B 17/02 |
· | for making organic esters of cellulose

|  | C08B 17/04 |
· | for making cellulose nitrate

|  | C08B 17/06 |
· | for making cellulose ethers

|  | C08B 19/00 |
Preparation of polysaccharides (cellulose Fulltext... Hierarchy... Expanded...D21; starch, dextrin, and similar carbohydrates Fulltext... Hierarchy... Expanded...C13L); Derivatives of polysaccharides other than cellulose

|  | C08B 19/02 |
· | sulphates of polysaccharides

|  | C08B 19/03 |
· · | Heparin

|  | C08B 19/04 |
· | derivatives of starch (sulphates Fulltext... Hierarchy... Expanded...C08B 19/02)

|  | C08B 19/06 |
· · | starch ethers

|  | C08B 19/08 |
· | dextran and its derivatives (sulphates Fulltext... Hierarchy... Expanded...C08B 19/02)

|  | C08B 19/10 |
· | alginic acid; derivatives thereof (sulphates Fulltext... Hierarchy... Expanded...C08B 19/02; foodstuff preparations Fulltext... Hierarchy... Expanded...A23L 1/04)

|  | C08B 19/12 |
· | derivatives of pectin (sulphates Fulltext... Hierarchy... Expanded...C08B 19/02; foodstuff preparations Fulltext... Hierarchy... Expanded...A23L 1/04)

|  | C08B 19/14 |
· | chitin and related compounds; derivatives thereof (sulphates Fulltext... Hierarchy... Expanded...C08B 19/02)

|  | C08B 19/16 |
· | derivatives of agar-agar

|  | C08B 21/00 - C08B 27/00 |
Compositions

|  | C08B 21/00 |
Compositions based essentially on cellulose derivatives

|  | C08B 21/02 |
· | based on cellulose esters of organic acids

|  | C08B 21/04 |
· · | on cellusose acetate

|  | C08B 21/06 |
· · | on mixed esters, e.g. cellulose acetate-butyrate

|  | C08B 21/08 |
· · | on esters mixed with other macromolecular compounds

|  | C08B 21/10 |
· | based on cellulose esters of inorganic acids

|  | C08B 21/12 |
· · | on cellulose nitrate

|  | C08B 21/14 |
· · | on esters mixed with other macromolecular compounds

|  | C08B 21/16 |
· | based on cellulose esters of both organic and inorganic acids

|  | C08B 21/18 |
· | based on cellulose xanthate

|  | C08B 21/20 |
· · | on viscose

|  | C08B 21/22 |
· · | on cellulose xanthate mixed with other macromolecular compounds

|  | C08B 21/24 |
· | based on cellulose ethers

|  | C08B 21/26 |
· · | on alkyl ethers

|  | C08B 21/28 |
· · | on aryl or aralkyl ethers

|  | C08B 21/30 |
· · | on ethers containing carboxyl groups

|  | C08B 21/32 |
· · | on mixtures of ethers with other macromolecular compounds

|  | C08B 21/34 |
· | based on cellulose ether esters

|  | C08B 23/00 |
Compositions based essentially on cellulose or modified cellulose

|  | C08B 23/02 |
· | based on oxycellulose or hydrocellulose

|  | C08B 23/04 |
· | based on cellulose hydrate

|  | C08B 25/00 |
Compositions based essentially on polysaccharides, other than cellulose, or their derivatives

|  | C08B 25/02 |
· | based on starch or its derivatives or its degradation products, e.g. dextrine

|  | C08B 25/04 |
· | based on dextran or its derivatives

|  | C08B 25/06 |
· | based on pectin or its derivatives

|  | C08B 27/00 |
Other compounding ingredients (Fulltext... Hierarchy... Expanded...C08B 21/08, Fulltext... Hierarchy... Expanded...C08B 21/14, Fulltext... Hierarchy... Expanded...C08B 21/22, Fulltext... Hierarchy... Expanded...C08B 21/32 take precedence)

|  | C08B 27/00 |
Note(s) An ingredient is always classified in the last appropriate place

|  | C08B 27/02 |
· | Inert fillers or pigments

|  | C08B 27/04 |
· · | inorganic

|  | C08B 27/06 |
· · · | Clay

|  | C08B 27/08 |
· · · | carbon, e.g. carbon black, charcoal, coke, graphite

|  | C08B 27/10 |
· · · | fibrous

|  | C08B 27/12 |
· · · | Abrasive fillers

|  | C08B 27/14 |
· · | organic

|  | C08B 27/16 |
· · · | fibrous

|  | C08B 27/18 |
· · · · | cellulosic, e.g. wood-flour

|  | C08B 27/20 |
· · · | Cork

|  | C08B 27/22 |
· | Plasticisers, Solvents; Swelling agents

|  | C08B 27/24 |
· · | Inorganic compounds

|  | C08B 27/26 |
· · · | Aquenous solutions

|  | C08B 27/28 |
· · · · | of zinc compounds

|  | C08B 27/30 |
· · · · | of copper compounds

|  | C08B 27/32 |
· · · · | of sulphuric acid

|  | C08B 27/34 |
· · | Organic compounds

|  | C08B 27/36 |
· · · | Hydrocarbons

|  | C08B 27/38 |
· · · | Halogenated hydrocarbons

|  | C08B 27/40 |
· · · | containing oxygen with or without halogen

|  | C08B 27/42 |
· · · · | Hydroxyl compounds; Metal compounds thereof; Ethers; Aldehydes; Ketones; Acetals; Ketals

|  | C08B 27/44 |
· · · · | Carboxylic acids; Salts or esters thereof

|  | C08B 27/46 |
· · · · · | Esters prepared from acyclic polycarboxylic acids

|  | C08B 27/48 |
· · · · · | Esters prepared from cyclic carboxylic acids or cyclic alcohols

|  | C08B 27/50 |
· · · · · | Ether-esters

|  | C08B 27/52 |
· · · | containing nitrogen, or nitrogen and oxygen, with or without halogen

|  | C08B 27/54 |
· · · | containing sulphur, or sulphur and oxygen, with or without halogen

|  | C08B 27/56 |
· · · | containing sulphur and nitrogen, with or without oxygen and/or halogen

|  | C08B 27/58 |
· · · | containing phosphorus, silicon, or boron

|  | C08B 27/60 |
· · · | Mineral oil products or conversion products thereof, e.g. paraffin wax, asphalt, bitumen, pitch

|  | C08B 27/62 |
· | Stabilisers

|  | C08B 27/64 |
· · | inorganic

|  | C08B 27/66 |
· · | organic

|  | C08B 27/68 |
· · · | containing nitrogen

|  | C08B 27/70 |
· · · | organo-metallic compounds

|  | C08B 27/72 |
· | Hardening agents, e.g. isocyanates

|  | C08B 27/74 |
· | Pesticides, e.g. bactericides, fungicides

|  | C08B 27/76 |
· | Dyes; Lakes

|  | C08B 29/00 |
Working-up

|  | C08B 29/00 |
Methods of treating polysaccharides or their derivatives or compositions containing them to produce articles or materials (chemical part)

|  | C08B 29/02 |
· | Powdering or granulating

|  | C08B 29/03 |
· · | by dissolving and precipitating

|  | C08B 29/04 |
· | Colouring (dyeing solids Fulltext... Hierarchy... Expanded...D06P)

|  | C08B 29/06 |
· · | Colouring paricles for making pigments

|  | C08B 29/08 |
· | Decolourising

|  | C08B 29/10 |
· | Working-up to porous or cellular articles or masses

|  | C08B 29/12 |
· · | Working-up viscose

|  | C08B 29/14 |
· | Chemical features in the manufacture of articles, including material in sheet form (in manufacture of laminates Fulltext... Hierarchy... Expanded...C08J)

|  | C08B 29/16 |
· · | from cellulose esters of organic acids

|  | C08B 29/18 |
· · | from cellulose esters of inorganic acids

|  | C08B 29/20 |
· · | from solutions of cellulose

|  | C08B 29/22 |
· · · | from viscose

|  | C08B 29/24 |
· · · | from cuprammonium solutions

|  | C08B 29/26 |
· · | from cellulose ethers

|  | C08B 29/28 |
· · | from polysaccharides, other than cellulose, or derivatives thereof

|  | C08B 29/30 |
· · | in making films or sheets

|  | C08B 29/32 |
· · | in making tubular bodies

|  | C08B 29/34 |
· | Dispersing polysaccharides or their derivatives

|  | C08B 29/36 |
· · | with the aid or dispersing agents

|  | C08B 29/38 |
· | Treatment of formed articles or materials

|  | C08B 29/40 |
· | Recovery of waste materials

|  | C08B 29/42 |
· · | of solvents or plasticisers