Water soluble and water fast dyes for ink jet printing
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United States of America Patent
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Nov 22, 2016
Grant Date -
Feb 19, 2015
app pub date -
Mar 22, 2013
filing date -
Mar 22, 2012
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Abstract
The invention relates to azo dyes of desulfo-K-acid [CA: 35400-55-6], their salts, a method for the preparation of these dyes, or salts thereof, a liquid phase comprising at least one of these dyes, a method for applying the liquid phase on a substrate, a printed matter and the use of these dyes in water-based inks for inkjet printing, in writing utensil or dyeing solutions for manufacturing color filters for optical and opto-electronic applications.
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