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. 08, 2018
Filed:
Nov. 16, 2016
Applicant:
Nova Chemicals (International) S.a., Fribourg, CH;
Inventors:
Fraser D. Cole Waldie, Calgary, CA;
Owen C. Lightbody, Calgary, CA;
Tony Tikuisis, Calgary, CA;
P. Scott Chisholm, Calgary, CA;
Assignee:
NOVA Chemicals (International) S.A., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/20 (2006.01); C08J 5/18 (2006.01); C08K 5/17 (2006.01); C08K 5/18 (2006.01); C08K 5/524 (2006.01); C08K 5/526 (2006.01);
U.S. Cl.
CPC ...
C08J 3/203 (2013.01); C08J 5/18 (2013.01); C08K 5/17 (2013.01); C08K 5/524 (2013.01); C08K 5/526 (2013.01); C08J 2323/08 (2013.01); C08K 2201/014 (2013.01); C08K 2201/019 (2013.01);
Abstract
This invention provides a process for the stabilization of thermoplastic polyolefins during melt processing operations. The stabilizer package of this invention is 'phenol free' and comprises at least two selected phosphite stabilizers. In some embodiments, the process is suitable for the manufacture of polyethylene film.