IPC Subgroup
C01G 37/02 Oxides or hydrates thereof
Introduced: September 1968
Last revised: January 2006
Full Title
Compounds of chromium > Oxides or hydrates thereof
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES OR
2 direct subcodes
Child Classifications
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- C01G 37/027 Chromium dioxide
- C01G 37/033 Chromium trioxide; Chromic acid