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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C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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63/00
Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
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C08G63/91
Polymers modified by chemical after-treatment
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C08G63/914
derived from polycarboxylic acids and polyhydroxy compounds
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