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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

C
C01
C01C
C01C 1/00
C01C 1/22

CPC Subgroup

C01C 1/22

Sulfites of ammonium

Full Title

Ammonia; Compounds thereof > Sulfites of ammonium

CPC C01C 1/22

IPC Equivalent: C01C 1/22

1 CPC-only subgroup

C01C 1/20 C01C 1/24

Data: WIPO (IPC), EPO/USPTO (CPC) — CC BY 4.0

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