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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