Freezing; Subsequent thawing; Cooling

Introduced: September 1968

Full Title

Preservation of eggs or egg products > Freezing; Subsequent thawing; Cooling

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

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A23B 5/041 +1 CPC CPC only CPC only
A23B 5/045 Thawing subsequent to freezing since 1990 IPC+CPC Available in IPC and CPC
A23B 5/05 with addition of chemicals since 1990 IPC+CPC Available in IPC and CPC