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:
Mar. 02, 2010
Filed:
Jun. 10, 2008
Applicants:
Mark Kelly, Airdrie, CA;
Brian Stephen Kimberley, Lyndhurst, GB;
Inventors:
Mark Kelly, Airdrie, CA;
Brian Stephen Kimberley, Lyndhurst, GB;
Assignees:
Nova Chemical Corporation, Calgary, CA;
INEOS Europe Limited, Lyndhurst, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a process for preparing a catalyst useful in gas phase polymerization of olefins wherein the hydrogen response of the catalyst can be improved by using a ketone as the electron donor in the catalyst. The catalyst consists of compounds of Ti, Mg, Al and a ketone preferably supported on an amorphous support.