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:
Feb. 18, 2020
Filed:
Dec. 21, 2017
Applicant:
Nova Chemicals (International) S.a., Fribourg, CH;
Inventors:
Derek Wasylenko, Calgary, CA;
Tony Tikuisis, Calgary, CA;
Owen Lightbody, Calgary, CA;
Fraser Waldie, Calgary, CA;
Assignee:
NOVA Chemicals (International) S.A., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/00 (2006.01); C08K 5/105 (2006.01); C08K 5/526 (2006.01); C08K 5/527 (2006.01); C08L 23/06 (2006.01); C08L 23/08 (2006.01);
U.S. Cl.
CPC ...
C08K 5/527 (2013.01); C08K 5/105 (2013.01); C08K 5/526 (2013.01); C08L 23/06 (2013.01); C08L 23/08 (2013.01); C08L 23/0807 (2013.01); C08K 5/005 (2013.01);
Abstract
The present disclosure relates to systems including a ternary stabilization package that contains a first phosphite, a second phosphite and a primary antioxidant is used in combination with a polyethylene that is polymerized with a mixed catalyst system that contains two different types of catalysts. In some embodiments the stabilized polyethylene exhibits improved color performance.