Processes of treating or compounding macromolecular substances

Introduced: July 1974

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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C08J 3/005 CPC only CPC only
C08J 3/02 Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques since 1974 IPC+CPC Available in IPC and CPC
C08J 3/12 Powdering or granulating since 1974 +4 CPC IPC+CPC Available in IPC and CPC
C08J 3/18 Plasticising macromolecular compounds (plasticisers C08K) since 1974 IPC+CPC Available in IPC and CPC
C08J 3/20 Compounding polymers with additives, e.g. colouring since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08J 3/24 Crosslinking, e.g. vulcanising, of macromolecules (mechanical aspects B29C35/00; crosslinking agents C08K) since 1974 +8 CPC IPC+CPC Available in IPC and CPC
C08J 3/28 Treatment by wave energy or particle radiation since 1974 IPC+CPC Available in IPC and CPC