DIFF Subgroup
C09B 1/503 unsubstituted amino-hydroxy anthraquinone
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Dyes with an anthracene nucleus not condensed with any other ring > Amino-hydroxy anthraquinones; Ethers or esters thereof > unsubstituted amino-hydroxy anthraquinone
CPC:
Dyes with anthracene nucleus not condensed with any other ring > Amino-hydroxy-anthraquinones; Ethers and esters thereof > unsubstituted amino-hydroxy anthraquinone
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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