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:
Dec. 09, 2025
Filed:
Oct. 19, 2020
Applicant:
Nova Chemicals (International) S.a., Fribourg, CH;
Inventors:
Norman Aubee, Okotoks, CA;
Owen Lightbody, Calgary, CA;
Maryam Fereydoon, Calgary, CA;
Bronwyn Gillon, Calgary, CA;
Patrick Lam, Calgary, CA;
Shivendra Goyal, Calgary, CA;
Assignee:
NOVA Chemicals (International) S.A., Fribourg, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 55/00 (2006.01); B29C 48/00 (2019.01); B29C 55/14 (2006.01); B29K 23/00 (2006.01);
U.S. Cl.
CPC ...
B29C 55/005 (2013.01); B29C 48/0018 (2019.02); B29C 55/143 (2013.01); B29K 2023/0641 (2013.01); B29K 2995/0053 (2013.01); B29K 2995/0063 (2013.01);
Abstract
A Biaxially Oriented Polyethylene (BOPE) process uses a selected polyethylene having a medium density and a very broad molecular weight distribution. The use of this selected polyethylene facilitates stretching in the BOPE process in comparison to previously used polyethylene resins having a higher density and/or a narrower molecular weight distribution.