The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2013
Filed:
Dec. 14, 2009
Jean-franøois Carpentier, Acigné, FR;
Evgueni Kirillov, Rennes, FR;
Nicolas Marquet, Quimperlé, FR;
Abbas Razavi, Mons, BE;
Jean-Franøois Carpentier, Acigné, FR;
Evgueni Kirillov, Rennes, FR;
Nicolas Marquet, Quimperlé, FR;
Abbas Razavi, Mons, BE;
Total Petrochemicals Research Feluy, Seneffe (Feluy), BE;
Centre National de la Recherche Scientifique (CNRS), Paris, FR;
Abstract
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile