C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
69/00
Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
69/00
Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
C08G69/40
Polyamides containing oxygen in the form of ether groups
C08G69/40
Polyamides containing oxygen in the form of ether groups