Patent classifications
C
CHEMISTRY; METALLURGY
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C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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C08J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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11/00
Recovery or working-up of waste materials
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C08J11/10
by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
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C08J11/18
by treatment with organic material
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C08J11/22
by treatment with organic oxygen-containing compounds
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