DIFF Subgroup
C09B 47/04 Phthalocyanines
Introduced: September 1968
Full Title
Porphines; Azaporphines > Phthalocyanines
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C09B 47/06 Preparation from carboxylic acids or derivatives thereof +5 CPC IPC+CPC Available in IPC and CPC
- C09B 47/28 Phthalocyanine dyes containing —S—SO3H radicals since 1980 IPC+CPC Available in IPC and CPC