| 1/00 | Treatment of rubber latex |
| 1/02 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration |
| 1/04 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Purifying; Deproteinising |
| 1/06 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Preservation of rubber latex (preserving ingredients C08K) |
| 1/065 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Increasing the size of dispersed rubber particles |
| 1/07 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Increasing the size of dispersed rubber particles characterised by the agglomerating agents used |
| 1/075 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Concentrating |
| 1/08 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Concentrating with the aid of creaming agents |
| 1/10 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Concentrating by centrifugation |
| 1/12 | Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Concentrating by evaporation |
| 1/14 | Treatment of rubber latex Coagulation |
| 1/15 | Treatment of rubber latex Coagulation characterised by the coagulants used |
| 1/16 | Treatment of rubber latex Coagulation in floc form |
| 2/00 | Treatment of rubber solutions |
| 2/02 | Treatment of rubber solutions Purification |
| 2/04 | Treatment of rubber solutions Purification Removal of catalyst residues |
| 2/06 | Treatment of rubber solutions Winning of rubber from solutions |
| 3/00 | Treatment of coagulated rubber |
| 3/02 | Treatment of coagulated rubber Purification |
| 4/00 | Treatment of rubber before vulcanisation, not provided for in groups C08C 1/00-C08C 3/02 |