Dye and hair dye

This dye comprises: a dimer obtained by oxidative copolymerization of 2,4-diaminophenoxyethanol and one compound selected from p-phenylenediamine, p-aminophenol, and 2,5-diaminotoluene; a trimer obtained by oxidative copolymerization of 2,6-diaminopyridine and one or two compounds selected from p-ph...

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Bibliographic Details
Main Authors JOKO, KYOHEI, AMAYA, MINAKO, KAMEOKA, IKUO
Format Patent
LanguageChinese
English
Published 01.07.2019
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Summary:This dye comprises: a dimer obtained by oxidative copolymerization of 2,4-diaminophenoxyethanol and one compound selected from p-phenylenediamine, p-aminophenol, and 2,5-diaminotoluene; a trimer obtained by oxidative copolymerization of 2,6-diaminopyridine and one or two compounds selected from p-phenylenediamine, p-aminophenol, and 2,5-diaminotoluene; or a dimer obtained by oxidative self-polymerization of o-aminophenol. This hair dye contains said dye.
Bibliography:Application Number: TW20180139807