Patent Classification Explorer PCE

DIFF Main Group

C11B 5/00

Preserving by using additives, e.g. anti-oxidants

Introduced: September 1968

Of 8 combined children, 0 exist in both systems.

8 codes are CPC-only extensions.

Child Classifications

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C11B 5/0007 CPC only CPC only
C11B 5/0014 CPC only CPC only
C11B 5/0021 +2 CPC CPC only CPC only
C11B 5/0042 +3 CPC CPC only CPC only
C11B 5/0071 CPC only CPC only
C11B 5/0078 CPC only CPC only
C11B 5/0085 CPC only CPC only
C11B 5/0092 CPC only CPC only