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. 01, 2007
Filed:
Oct. 29, 2004
Mark Kelly, Airdrie, CA;
Shivendra Kumar Goyal, Calgary, CA;
Victoria Ker, Calgary, CA;
Perry Montyn DE Wit, Calgary, CA;
Brian Stephen Kimberley, Bouc-Bel-Air, FR;
Peter Phung Ming Hoang, Calgary, CA;
Mark Kelly, Airdrie, CA;
Shivendra Kumar Goyal, Calgary, CA;
Victoria Ker, Calgary, CA;
Perry Montyn de Wit, Calgary, CA;
Brian Stephen Kimberley, Bouc-Bel-Air, FR;
Peter Phung Ming Hoang, Calgary, CA;
Nova Chemicals Corporation, , CA;
Ineos Europe Limited, , GB;
Abstract
The present invention provides a novel process for preparing a catalyst useful in gas phase polymerization of olefins wherein the physical properties of the polymer and the productivity of the catalyst can be altered depending on the sequence of addition of the catalyst components. The catalyst consists of compounds of Ti, Mg, Al and optionally an electron donor supported on an amorphous support.