Preparation of long-chain branched isotactic polypropylene

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United States of America Patent

PATENT NO 8445608
APP PUB NO 20110306739A1
SERIAL NO

13133695

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The present invention discloses a method for preparing long-chain-branched isotactic polypropylene by first oligomerizing propylene with a suitable oligomerization catalyst system and then copolymerizing propylene and the oligomer obtained in situ with a mono-aryl-substituted methylene bridged catalyst system.

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Patent Owner(s)

Patent OwnerAddress
TOTAL PETROCHEMICALS RESEARCH FELUY7181 SENEFFE (FELUY)
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)3 RUE MICHEL ANGE PARIS 75016

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carpentier, Jean-Franøois Acigné, FR 1 1
Kirillov, Evgueni Rennes, FR 22 25
Marquet, Nicolas Quimperlé, FR 4 5
Razavi, Abbas Mons, BE 148 1982

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