C08G 63/42 Cyclic ethers (C08G59/00 takes precedence); Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
Introduced: July 1974
Title
Titles differ between systems:
IPC: Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
CPC: Cyclic ethers (C08G59/00 takes precedence); Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
Full Title
Full titles differ between systems:
Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule > Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds > derived from polycarboxylic acids and polyhydroxy compounds > Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof > Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (polyester-amides C08G69/44; polyester-imides C08G73/16) > Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds > derived from polycarboxylic acids and polyhydroxy compounds > Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof > Cyclic ethers (C08G59/00 takes precedence); Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
No child classifications to compare. This is a leaf node in both IPC and CPC.