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:
Jul. 18, 2017
Filed:
May. 24, 2016
Applicant:
Nova Chemicals (International) S.a., Fribourg, CH;
Inventors:
Victoria Ker, Calgary, CA;
Sergio Alejandro Guillen-Castellanos, Calgary, CA;
Yan Jiang, Calgary, CA;
Assignee:
NOVA Chemicals (International) S.A., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/34 (2006.01); C08F 4/6592 (2006.01); C08L 23/08 (2006.01); C08F 210/16 (2006.01); C08F 2/00 (2006.01); C08F 4/659 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); C08F 2/001 (2013.01); C08F 2/34 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 2410/02 (2013.01); C08F 2420/04 (2013.01); C08L 23/08 (2013.01);
Abstract
A polymerization process for stable gas phase reactor start-up when making ethylene copolymers having relatively high molecular weight distribution and melt flow ratio.