Oligomeric sterically hindered amines and their use as polymer stabilisers

United States of America Patent

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Aug 23, 2011
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Oct 29, 2009
app pub date
Jun 13, 2008
filing date
Apr 23, 2008

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Abstract

This invention relates to new polypiperidine compounds of general formula (I) which give different kinds of polymer materials, in particular polyolefins, high stability towards oxidative action and photodegradation.The invention also relates to the processes used to prepare the compounds of formula (I).

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3V SIGMA S P A	VIA FATEBENEFRATELLLI 20 MILANO (MI) 20121

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Inventor Name	Address	# of filed Patents	Total Citations
Berte', Ferruccio	Bergamo, IT	17	55
Magnoni, Massimo	Bergamo, IT	3	8

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Oligomeric sterically hindered amines and their use as polymer stabilisers

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United States of America Patent

12138815

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PATENT NO	8003718
APP PUB NO	20090270536A1
SERIAL NO	12138815
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 23, 2011	US,8003718,B2 US8003718B2	GRANTED PATENT AS SECOND PUBLICATION
October 29, 2009	US,20090270536,A1 US20090270536A1	FIRST PUBLISHED PATENT APPLICATION

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12138815

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