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. 30, 2017
Filed:
Jan. 28, 2014
Saudi Basic Industries Corporation, Riyadh, SA;
Mansour Taftaf, Peninsula, OH (US);
Jaiprakash Brijlal Sainani, Gujarat, IN;
Vladimir Aleksandrovich Zakharov, Geleen, NL;
Gennadii Dimitrievich Bukatov, Geleen, NL;
Vimalkumar Mahendrabhai Patel, Gujarat, IN;
Sergei Andreevich Sergeev, Geleen, NL;
Martin Alexander Zuideveld, Kelmis, BE;
Aurora Alexandra Batinas-Geurts, Sittard, NL;
SAUDI BASIC INDUSTRIES CORPORATION, Riyadh, SA;
Abstract
A catalyst composition comprising a monoester, the compound represented by formula (I) as an internal electron donor, and optionally an additional internal electron donor selected from a group consisting of diesters and diethers, wherein: R, R, R, R, Rand Rare hydrogen, straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, Ris a straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, and Ris an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms. Also described is a process for preparing the polymerization catalyst composition, a polymerization catalyst system comprising the catalyst composition, a co-catalyst and optionally an external electron donor; and use of the catalyst system for polymerization of olefins.