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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C08L
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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77/00
Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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C08L77/06
Polyamides derived from polyamines and polycarboxylic acids
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