Sterically hindered polymeric amines and their use as polymer stabilizers

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United States of America Patent

PATENT NO 9725578
APP PUB NO 20130203904A1
SERIAL NO

13879973

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Abstract

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The present invention relates to polypiperidine compounds of polymeric type which are capable of conferring to the polymeric materials, particularly to polyolefins, a high stability against photodegradation and oxidative action of air, belong to the HALS category and have general formula (I):

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Patent Owner(s)

Patent OwnerAddress
3V SIGMA S P AVIA FATEBENEFRATELLLI 20 MILANO (MI) 20121

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berte, Ferruccio Bergamo, IT 7 10
Del, Sordo Simone Treviglio, IT 7 8
Maestri, Francesco Bergamo, IT 12 4

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