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Patent AT-E399530-T1: [Translated] COMPOSITION FOR DYING HUMAN KERATIN FIBERS WITH A 1H-PYRAZOLYL-ETHENYL-INDOLIUM DERIVATIVE

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Catalog Last Checked: July 31, 2026 at 10:02 PM | Dataset Last Updated: September 06, 2025
Composition for dyeing keratinic fibers comprises a pyrazolylvinylindolium derivative (I). Composition for dyeing keratinic fibers comprises a pyrazolylvinylindolium derivative of formula (I): [Image] R 11-4C alkyl or aryl(1-4C)alkyl; R 2H, 1-4C alkyl, 1-4C alkoxy, halo or NO 2; R 3-R 5H, 1-4C alkyl or optionally R-substituted aryl; R : halo, OH, 1-4C alkyl, 1-4C alkoxy, COOH or CF 3; X : an anion.

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