Polycarboxylic acid dye with low polymerization degree

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United States of America Patent

PATENT NO 9040634
APP PUB NO 20130289218A1
SERIAL NO

13700092

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Abstract

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The present invention provides a polycarboxylic acid dye with low polymerization degree, which is formed by using a macromolecule skeleton of polymaleic acid linked to an azo chromophore, an azo-metal complexation chromophore or an anthraquinone chromophore via a bridge group of amide or ester bond. The dye is useful for dyeing and printing leather, protein fiber, cellulose fiber and synthetic fiber.

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Patent Owner(s)

Patent OwnerAddress
DALIAN UNIVERSITY OF TECHNOLOGYNO 2 LINGGONG ROAD HI-TECH DISTRICT DALIAN LIAONING DALIAN 116024

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ma, Wei Dalian, CN 151 949
Tang, Bingtao Dalian, CN 10 1
Zhang, Shufen Dalian, CN 13 6

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