Storage stable solutions of optical brighteners

United States of America Patent

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Jul 17, 2012
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Jun 24, 2010
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Jul 12, 2006
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Aug 4, 2005

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Abstract

The instant invention relates to storage stable solutions of optical brighteners based on certain salt forms of anilino-substituted bistriazinyl derivatives of 4,4′-diaminostilbene-2,2′-disulphonic acid which do not need extra solubilising additives.

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ARCHROMA IP GMBH	SWISS LAI REINACH BASEL-LANDSCHAFT

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Inventor Name	Address	# of filed Patents	Total Citations
Farrar, John Martin	Leeds, GB	9	84
Jackson, Andrew Clive	Harrogate, GB	27	125
Mahon, Margaret	Bradford, GB	2	8

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Storage stable solutions of optical brighteners

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11989993

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PATENT NO	8221588
APP PUB NO	20100159763A1
SERIAL NO	11989993
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 17, 2012	US,8221588,B2 US8221588B2	GRANTED PATENT AS SECOND PUBLICATION
June 24, 2010	US,20100159763,A1 US20100159763A1	FIRST PUBLISHED PATENT APPLICATION

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11989993

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