C
SECTION C — CHEMISTRY AND METALLURGY
  
CHEMISTRY
 C08
MACROMOLECULAR COMPOUNDS; THEIR PREPARATION AND CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON (production of cellulose D21; production of starch, sugar and like carbohydrates C13; explosive compositions C06; paints, lacquers, inks C09D; lubricating compositions C10M; production of artificial threads, fibres, bristles, and ribbons, including compositions therefor D01; textile-treating compositions D06)
 C08C
NATURAL RUBBERS AND THEIR DERIVATIVES
 C08C 1/00 - 
C08C 5/00
Preparation
 C08C 1/00
Treatment of rubber latex
 C08C 1/02
·  Chemical or physical treatment of rubber latex before and/or during concentration
 C08C 1/04
·  ·  Purifying; Deproteinising
 C08C 1/06
·  ·  Preservation of rubber latex (with additives C08C 7/00)
 C08C 1/08
·  ·  Concentrating with the aid of creaming agents
 C08C 1/10
·  ·  Concentrating by centrifugation
 C08C 1/12
·  ·  Concentrating by evaporation
 C08C 1/14
·  Coagulation
 C08C 1/16
·  ·  in floc form
 C08C 1/18
·  Preparation of artificial latex by dispersing rubber in water
 C08C 3/00
Treatment, e.g. purifying, coagulated crude natural rubbers
 C08C 5/00
Preparation of derivatives from natural rubber
 C08C 5/02
·  with halogens
 C08C 5/04
·  with hydrohalides
 C08C 5/06
·  with non-metal oxides, e.g. sulphur dioxide, phosphorus trioxide, nitrogen trioxide
 C08C 7/00 - 
C08C 15/00
Compositions
 C08C 7/00
Compositions based essentially on unvulcanised or vulcanised latex
 C08C 7/02
·  Compounding ingredients
 C08C 7/04
·  ·  Pre-treated compounding ingredients
 C08C 7/06
·  ·  Cements; Mortars; Plaster
 C08C 7/08
·  ·  Loose fibres, e.g. of cellulose, leather, asbestos
 C08C 7/10
·  ·  Stabilisers, including pH-value-regulating agents
 C08C 7/12
·  ·  Pesticides, e.g. fungicides. bactericides
 C08C 7/14
·  ·  Colloidal thickening agents
 C08C 7/16
·  ·  Sensitising agents, i.e. heat-latent coagulants (C08C 1/14 takes precedence)
 C08C 7/18
·  ·  Surface-active agents, including antifoaming agents
 C08C 9/00
Compositions based essentially on unvulcanised natural rubber with or without synthetic rubber (C08C 15/00 takes precedence)
 C08C 9/02
·  on natural rubber components other than Hevea rubber
 C08C 9/04
·  with synthetic rubber
 C08C 9/06
·  with other macromolecular compounds
 C08C 9/08
·  ·  Unvulcanised derivatives of natural or synthetic rubber
 C08C 9/10
·  ·  Vulcanised natural or synthetic rubber
 C08C 9/12
·  ·  Polysaccharides or derivatives thereof
 C08C 9/14
·  ·  Polymers or copolymers
 C08C 9/16
·  ·  Polycondensation or polyaddition products
 C08C 9/18
·  ·  Natural resins
 C08C 9/20
·  ·  Factice
 C08C 11/00
Other compounding ingredients
 C08C 11/02
·  Pre-treated compounding ingredients
 C08C 11/02

Note(s)

An ingredient is always classified in the last appropriate place

 C08C 11/04
·  inorganic
 C08C 11/06
·  ·  Oxides; Hydroxides
 C08C 11/08
·  ·  ·  Metal oxides
 C08C 11/10
·  ·  ·  Silica and its hydrates
 C08C 11/12
·  ·  Silicates
 C08C 11/14
·  ·  ·  Clay
 C08C 11/16
·  ·  Fibrous material, e.g. asbestos
 C08C 11/18
·  ·  Carbon, e.g. carbon black, charcoal, coke, graphite
 C08C 11/20
·  organic
 C08C 11/22
·  ·  Hydrocarbons
 C08C 11/24
·  ·  Halogenated hydrocarbons
 C08C 11/26
·  ·  containing oxygen with or without halogen
 C08C 11/28
·  ·  ·  Hydroxyl compounds; Metal compounds thereof
 C08C 11/30
·  ·  ·  ·  Containing phenolic hydroxyl groups
 C08C 11/32
·  ·  ·  Ethers; Acetals; Aldehydes; Ketones; Ketals
 C08C 11/34
·  ·  ·  Carboxylic acids; Metal salts thereof; Anhydrides
 C08C 11/36
·  ·  ·  Esters; Ether-esters
 C08C 11/38
·  ·  ·  ·  from acyclic polycarboxylic acids
 C08C 11/40
·  ·  containing nitrogen, or nitrogen and oxygen, with or without halogen
 C08C 11/42
·  ·  ·  Nitro compounds
 C08C 11/44
·  ·  ·  Amines; Imides; Amides
 C08C 11/46
·  ·  ·  ·  with aromatically-bound amino groups
 C08C 11/48
·  ·  ·  Urea; Derivatives thereof
 C08C 11/50
·  ·  ·  Guanidine; Derivatives thereof
 C08C 11/52
·  ·  ·  Heterocyclic oxygen compounds containing nitrogen with or without oxygen as hetero atoms
 C08C 11/54
·  ·  containing sulphur or selenium with or without nitrogen, oxygen and halogen
 C08C 11/56
·  ·  ·  Thiuram sulphides
 C08C 11/58
·  ·  ·  Thiocarbamates
 C08C 11/60
·  ·  ·  Heterocyclic compounds containing sulphur with or without nitrogen or oxygen as hetero atoms
 C08C 11/62
·  ·  ·  ·  Thiazoles
 C08C 11/64
·  ·  Organo-metallic compounds
 C08C 11/66
·  ·  Phosphorus, arsenic, antimony, silicon, or boron compounds
 C08C 11/68
·  ·  Hydrocarbon oil products, e.g. asphalt, bitumen, pitch, coal tar; Conversion products thereof
 C08C 11/70
·  ·  Waxes, e.g. paraffin waxes; Natural waxes
 C08C 11/72
·  ·  Vegetable and animal oils and fats
 C08C 11/74
·  ·  Loose fibrous material, e.g. hair, straw, wood-flour; Cork particles
 C08C 11/76
·  ·  Dyes; Lakes
 C08C 13/00
Compositions based essentially on derivatives of natural rubber (on mixtures with other natural rubber components C08C 9/08; with synthetic rubber or its derivatives C08D)
 C08C 13/02
·  Plasticisers
 C08C 13/04
·  ·  for halogenated rubber
 C08C 13/06
·  ·  for hydrohalogenated rubber
 C08C 13/08
·  Stabilisers
 C08C 13/10
·  ·  for halogenated rubber
 C08C 13/12
·  ·  for hydrohalogenated rubber
 C08C 15/00
Compositions based essentially on reclaimed vulcanised natural or synthetic rubber
 C08C 17/00
Working-up
 C08C 17/00
Chemical features in the manufacture of articles or materials fro rubber or rubber derivatives (in the manufacture of layered products C08J 1/36)
 C08C 17/02
·  in the manufacture of threads from rubber
 C08C 17/04
·  ·  from latex
 C08C 17/06
·  in the direct processing of latex to rubber articles
 C08C 17/08
·  in the manufacture of porous or cellular articles or materials
 C08C 17/10
·  ·  with the aid or blowing agents
 C08C 17/12
·  ·  with the aid of soluble particles to be leached out
 C08C 17/14
·  ·  from undried coagulum or gel
 C08C 17/16
·  in the treatment of threads, fabrics, or other coherent fibrous material with rubber or derivatives thereof
 C08C 17/18
·  ·  with latex
 C08C 17/20
·  in the bonding of rubber to other materials, e.g. metal, glass, leather (joining glass to glass with the aid of synthetic rubber C03C 27/10)
 C08C 17/22
·  in plasticising rubber (by addition of plasticisers C08C 11/00)
 C08C 17/24
·  in the coating of rubber
 C08C 17/26
·  in the surface treatment, e.g. halogenation of rubber
 C08C 17/28
·  Chemical vulcanisation, e.g. Peachey process
 C08C 17/30
·  from reaction products of rubber with halogens, acids or acid anhydrides, e.g. sulphur dioxide (manufacture of artificial threads D01F 9/02)
 C08C 17/32
·  ·  from halogenated or hydrohalogenated rubber
 C08C 17/34
·  ·  in making films or sheets
 C08C 17/36
·  in the manufacture of abrasive or friction articles or materials
 C08C 17/38
·  Recovery of waste materials