Process to prepare fluoropolymer dispersions and membranes

United States of America Patent

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Nov 15, 2011
Grant Date
Dec 6, 2007
app pub date
May 18, 2007
filing date
Jun 1, 2006

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Expired

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Abstract

Described is a process to prepare fluoropolymer organic-liquid dispersions containing a homogeneous mixture of reacted and unreacted sulfonyl halide groups. The dispersions are useful in the preparation of crosslinked membranes.

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Patent Owner(s)

E. I. DU PONT DE NEMOURS AND COMPANY

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C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....

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Inventor Name	Address	# of filed Patents	Total Citations
Lousenberg, Robert D	Wilmington, US	21	138

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Process to prepare fluoropolymer dispersions and membranes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11750391

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PATENT NO	8058319
APP PUB NO	20070282022A1
SERIAL NO	11750391
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 15, 2011	US,8058319,B2 US8058319B2	GRANTED PATENT AS SECOND PUBLICATION
December 06, 2007	US,20070282022,A1 US20070282022A1	FIRST PUBLISHED PATENT APPLICATION

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11750391

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