CPC Subgroup
C08G 69/40 Polyamides containing oxygen in the form of ether groups (C08G69/12, C08G69/32 take precedence)
Full Title
Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule (products obtained from isocyanates or isothiocyanates C08G18/00; polyamide-imides C08G73/14) > Polyamides containing oxygen in the form of ether groups (C08G69/12, C08G69/32 take precedence)