|  | 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)

|  | 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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...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