OXIDATIVE DYE COUPLERS WITH NOVEL AUXOCHROME SUBSTITUENTS AND AZOMETHINE DYES AND LEUCO FORMS THEREOF

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200024455A1
SERIAL NO

16487971

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Abstract

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The present invention concerns an auxochrome substituent for an oxidative dye coupler. The auxochrome substituent enables ready developer reaction with the coupler to form azomethine and leuco dyes. Manipulation of the auxochrome substituent enables a bathochromic or hypsochromic shift of the light absorbance by the azomethine dye formed with the auxochrome substituted coupler.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guiru, Zhang Lebanon, US 1 0
Murphy, Bryan P Loveland, US 14 255

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