Patent Classification Explorer PCE

DIFF Main Group

C01G 37/00

Compounds of chromium

Introduced: September 1968

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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C01G 37/003 CPC only CPC only
C01G 37/006 CPC only CPC only
C01G 37/02 Oxides or hydrates thereof IPC+CPC Available in IPC and CPC
C01G 37/04 Chromium halides IPC+CPC Available in IPC and CPC
C01G 37/08 Chromium sulfates IPC+CPC Available in IPC and CPC
C01G 37/14 Chromates; Bichromates IPC+CPC Available in IPC and CPC