IPC Subgroup
C08J 11/22 by treatment with organic oxygen-containing compounds
Introduced: January 1985
Last revised: January 2006
Full Title
Recovery or working-up of waste materials > of polymers > by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation > by treatment with organic material > by treatment with organic oxygen-containing compounds
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- Subclass:
- WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES , , , or
2 direct subcodes
Child Classifications
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- C08J 11/24 containing hydroxyl groups
- C08J 11/26 containing carboxylic acid groups, their anhydrides or esters