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)
 C08J
GENERAL METHODS FOR PREPARING AND WORKING-UP
 C08J 1/00
Methods of treating macromolecular substances or compositions containing them, in general (non-mechanical part) (mechanical aspects of after-treatment B29C 25/00)
 C08J 1/02
·  by energetic waves or by irradiation
 C08J 1/04
·  ·  by X-rays or electrons
 C08J 1/06
·  Powdering or granulating
 C08J 1/07
·  ·  by dissolving and precipitating
 C08J 1/08
·  Colouring (dyeing slilids D06P)
 C08J 1/10
·  ·  colouring particles of macromolecular substances for pigments
 C08J 1/12
·  Decolourising
 C08J 1/14
·  Working-up to porous or cellular articles of masses (making micro-capsules or micro-balloons B01J 13/02)
 C08J 1/16
·  ·  by treatment with inert gases
 C08J 1/18
·  ·  by adding blowing agents
 C08J 1/20
·  ·  ·  producing nitrogen
 C08J 1/22
·  ·  ·  producing carbon dioxide
 C08J 1/24
·  ·  ·  producing hydrogen
 C08J 1/26
·  ·  by adding volatile organic liquids
 C08J 1/28
·  ·  by dissolving solid particles
 C08J 1/30
·  ·  After-treatment
 C08J 1/32
·  Chemical features in the manufacture of articles or materials
 C08J 1/34
·  ·  in the manufacture of films, membranes, or diaphragms from ion-exchange resins
 C08J 1/36
·  ·  in the manufacture of layered products wherein all the layers consist of substances covered by C08, adhesives being ignored; The products themselves
 C08J 1/38 - 
C08J 1/38

Note(s)

The products classified in this group must also be classified in B32B

 C08J 1/38
·  ·  ·  from films of regenerated cellulose or cellulose derivatives
 C08J 1/39
·  ·  ·  from layers of natural or synthetic rubber
 C08J 1/40
·  ·  ·  from films of polymerisation products
 C08J 1/42
·  ·  ·  from films of polycondensation or polyaddition products
 C08J 1/44
·  ·  ·  from layers of other substances covered by C08
 C08J 1/46
·  Dispersing
 C08J 1/48
·  ·  with the aid of dispersing agents
 C08J 1/50
·  Treatment of formed articles or materials
 C08J 1/52
·  Recovery of solvents or plasticisers