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:
Sep. 02, 2008
Filed:
Jun. 19, 2007
Kenneth P. Blackmon, Houston, TX (US);
Shabbir A. Malbari, Pasadena, TX (US);
Kenneth P. Blackmon, Houston, TX (US);
Shabbir A. Malbari, Pasadena, TX (US);
Fina Technology, Inc., Houston, TX (US);
Abstract
External donor systems, catalyst systems and olefin polymerization processes are described herein. The external donor systems generally include a first external donor represented by the general formula SiR(OR), wherein each Ris independently selected from alkyls, cycloalkyls, aryls and vinyls, each Ris independently selected from alkyls and m is from 0 to 4. The external donor systems further include a second external donor represented by the general formula SiR(OR), wherein each Ris independently selected from alkyls, cycloalkyls, aryls and vinyls, each Ris independently selected from alkyls, m is from 0 to 4 and at least one Ris a Cor greater alkyl.