Sulfide-containing polythiols

United States of America Patent

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Feb 17, 2009
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Jul 3, 2008
app pub date
Feb 26, 2008
filing date
Dec 20, 2002

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Abstract

The present invention relates to sulfide-containing polythiols and their methods of preparation. Sulfide-containing polythiols can have a variety of uses and applications. The sulfide-containing polythiols of the present invention can be especially useful in polyurethane compositions for the manufacture of ophthalmic lenses.

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PPG INDUSTRIES OHIO, INC.

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C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....

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Inventor Name	Address	# of filed Patents	Total Citations
Bojkova, Nina V	Monroeville, US	19	237
Smith, Robert A	Murrysville , US	215	38354

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Sulfide-containing polythiols

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12037241

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PATENT NO	7491790
APP PUB NO	20080161528A1
SERIAL NO	12037241
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 17, 2009	US,7491790,B2 US7491790B2	GRANTED PATENT AS SECOND PUBLICATION
July 03, 2008	US,20080161528,A1 US20080161528A1	FIRST PUBLISHED PATENT APPLICATION

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12037241

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