General preparatory processes

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule > General preparatory processes

CPC:

Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (polycarbonate-amides C08G69/44; polycarbonate-imides C08G73/16) > General preparatory processes

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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C08G 64/205 CPC only CPC only
C08G 64/22 using carbonyl halides since 1990 +2 CPC IPC+CPC Available in IPC and CPC
C08G 64/26 using halocarbonates since 1990 +2 CPC IPC+CPC Available in IPC and CPC
C08G 64/30 using carbonates since 1990 +3 CPC IPC+CPC Available in IPC and CPC
C08G 64/32 using carbon dioxide since 1990 +2 CPC IPC+CPC Available in IPC and CPC
C08G 64/36 using carbon monoxide since 1990 IPC+CPC Available in IPC and CPC
C08G 64/38 using other monomers since 1990 IPC+CPC Available in IPC and CPC