Method for hydrogenation of polymers in dispersed medium

United States of America Patent

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Dec 12, 2006
Grant Date
Nov 24, 2005
app pub date
Apr 11, 2002
filing date
Apr 11, 2002

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Expired

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Abstract

The invention concerns a method for hydrogenation of unsaturated polymers in dispersed medium based on an oxidation-reduction system containing hydrazine, an oxidant such as a peroxide and optionally a carboxylic acid. The hydrogenation rate can reach 100% in certain conditions.

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ARKEMA	FRENCH PITOT

International Classification(s)

C08C:TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Loret, Christophe	Fontainbleau, FR	2	1
Nogues, Pierre	Bernay, FR	18	200
Pradel, Jean-Laurent	Bernay, FR	16	98

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Method for hydrogenation of polymers in dispersed medium

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10510830

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PATENT NO	7148292
APP PUB NO	20050261445A1
SERIAL NO	10510830
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 12, 2006	US,7148292,B2 US7148292B2	GRANTED PATENT AS SECOND PUBLICATION
November 24, 2005	US,20050261445,A1 US20050261445A1	FIRST PUBLISHED PATENT APPLICATION

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10510830

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