Metal free acid dyes, methods for the production thereof and their use

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United States of America Patent

PATENT NO 8979947
APP PUB NO 20130255010A1
SERIAL NO

13988520

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Abstract

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The present invention relates to dyes of the formula (I) in which R1 to R10, D1 and D2 are defined as given in claim 1, a process for preparing them, and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.

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Patent Owner(s)

Patent OwnerAddress
DYSTAR COLOURS DISTRIBUTION GMBHAM PRIME PARC 10-12 RAUNHEIM 65479

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barbieru, Roxana Singapore, SG 14 8
Sivamurugan, Vajiravelu Singapore, SG 2 1

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