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PCE
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DIFF Subgroup
C08G 63/82

characterised by the catalyst used

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule > Preparation processes > characterised by the catalyst used

CPC:

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) > Preparation processes > characterised by the catalyst used

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Child Classifications

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  • C08G 63/823 CPC only CPC only
  • C08G 63/826 CPC only CPC only
  • C08G 63/83 Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof since 1990 IPC+CPC Available in IPC and CPC
  • C08G 63/84 Boron, aluminium, gallium, indium, thallium, rare-earth metals, or compounds thereof since 1990 IPC+CPC Available in IPC and CPC
  • C08G 63/87 Non-metals or inter-compounds thereof (boron C08G63/84) since 1990 IPC+CPC Available in IPC and CPC