Formulations of fluorescent whitening agents in dispersed form

United States of America Patent

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Mar 25, 2014
Grant Date
Oct 31, 2013
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Jan 4, 2012
filing date
Jan 20, 2011

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Abstract

The present invention relates to an aqueous dispersion containing (a) a fluorescent whitening agent, (b) a dispersing agent, (c) a β-1,3-glucan and, optionally, (d) a vat dye and the use of the aqueous dispersions for whitening synthetic fibers, in particular polyester and polyacrylonitrile.

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HUNTSMAN INTERNATIONAL LLC	10003 WOODLOCH FOREST DRIVE THE WOODLANDS TX 77380

International Classification(s)

D06L:BLEACHING, e.g. OPTICAL BLEACHING, DRY-CLEANING, O....

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Inventor Name	Address	# of filed Patents	Total Citations
Donze, Jean-Jacques	Blodelsheim, FR	4	1
Frey, Andrea	Rheinfelden, DE	1	0
Gruetter, Serge	Courgenay, CH	1	0
Schroeder, Serge	Rosenau, FR	7	7

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Formulations of fluorescent whitening agents in dispersed form

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United States of America Patent

13996192

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PATENT NO	8679199
APP PUB NO	20130283547A1
SERIAL NO	13996192
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 25, 2014	US,8679199,B2 US8679199B2	GRANTED PATENT AS SECOND PUBLICATION
October 31, 2013	US,20130283547,A1 US20130283547A1	FIRST PUBLISHED PATENT APPLICATION

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13996192

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