Freezing; Subsequent thawing; Cooling

Introduced: September 1968

Full Title

Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables > Freezing; Subsequent thawing; Cooling

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

IPC defines codes here since 1990.

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A23B 7/0408 +1 CPC CPC only CPC only
A23B 7/0425 +1 CPC CPC only CPC only
A23B 7/0441 CPC only CPC only
A23B 7/045 Thawing subsequent to freezing since 1990 IPC+CPC Available in IPC and CPC
A23B 7/05 with addition of chemicals since 1990 IPC+CPC Available in IPC and CPC

Class A23,2013–2023, worldwide · Source: EPO PATSTAT

Class A23,2013–2023, worldwide · Source: EPO PATSTAT