C09B 1/5035 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C09B 1/5035

Full Title

Dyes with anthracene nucleus not condensed with any other ring > Amino-hydroxy-anthraquinones; Ethers and esters thereof > unsubstituted amino-hydroxy anthraquinone

This code exists only in CPC.

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