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PCE
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DIFF Subgroup
C08G 73/02

Polyamines

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups > Polyamines

CPC:

Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00 > Polyamines

CPC subdivides this area 7x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions, 1 exist only in IPC.

IPC defines codes here since 1974.

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