Compounding polymers with additives, e.g. colouring

Introduced: July 1974

Full Title

Processes of treating or compounding macromolecular substances > Compounding polymers with additives, e.g. colouring

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1974.

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C08J 3/201 CPC only CPC only
C08J 3/203 CPC only CPC only
C08J 3/205 in the presence of a liquid phase since 1990 +1 CPC IPC+CPC Available in IPC and CPC
C08J 3/22 using masterbatch techniques since 1974 +2 CPC IPC+CPC Available in IPC and CPC