Patent classifications
C
CHEMISTRY; METALLURGY
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C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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C09B
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; , e.g. PIGMENTS; MORDANTS; LAKES
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1/00
Dyes with anthracene nucleus not condensed with any other ring
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C09B1/02
Hydroxy-anthraquinones; Ethers or esters thereof
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C09B1/06
Preparation from starting materials already containing the anthracene nucleus
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C09B1/08
Dyes containing only OH-groups
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C09B1/08

ANTHRAQUINONIC DERIVATIVES AND THEIR USE AS COLOURING AGENTS
20210309860 · 2021-10-07 ·

The present invention relates to a compound of formula (I-0) or a salt thereof. The invention further relates to the use of such compound as a colouring agent. The invention also relates to a colouring composition comprising such compound.

ANTHRAQUINONIC DERIVATIVES AND THEIR USE AS COLOURING AGENTS
20210309860 · 2021-10-07 ·

The present invention relates to a compound of formula (I-0) or a salt thereof. The invention further relates to the use of such compound as a colouring agent. The invention also relates to a colouring composition comprising such compound.