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PCE
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DIFF Subgroup
C09B 45/38

Preparation from compounds with —OH and —COOH adjacent in the same ring or in peri position

Introduced: September 1968

Full Title

Complex metal compounds of azo dyes > Preparation from compounds with —OH and —COOH adjacent in the same ring or in peri position

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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  • C09B 45/40 Chromium compounds IPC+CPC Available in IPC and CPC
  • C09B 45/42 Copper compounds IPC+CPC Available in IPC and CPC
  • C09B 45/44 Cobalt compounds IPC+CPC Available in IPC and CPC
  • C09B 45/46 Other metal compounds IPC+CPC Available in IPC and CPC