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:
Sep. 08, 2020
Filed:
Aug. 02, 2018
Applicant:
Nova Chemicals (International) S.a., Fribourg, CH;
Inventors:
Henry Hay, Calgary, CA;
Derek Wasylenko, Calgary, CA;
Tony Tikuisis, Calgary, CA;
Gilbert Arnould, Calgary, CA;
Assignee:
NOVA Chemicals (International) S.A., Fribourg, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 210/02 (2006.01); C08K 5/13 (2006.01); C08K 5/17 (2006.01); C08K 5/524 (2006.01); B65D 85/84 (2006.01); B29C 41/04 (2006.01); B29C 41/00 (2006.01); B29K 105/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
C08F 210/02 (2013.01); B29C 41/003 (2013.01); B29C 41/042 (2013.01); B65D 85/84 (2013.01); C08K 5/13 (2013.01); C08K 5/17 (2013.01); C08K 5/524 (2013.01); B29K 2023/06 (2013.01); B29K 2105/0014 (2013.01); B29K 2105/0044 (2013.01); B29K 2105/0085 (2013.01); B29L 2031/712 (2013.01); C08K 2201/014 (2013.01);
Abstract
Rotomolded polyethylene containers that are used to store sulfuric acid can become discolored on the interior surface which is in contact with the acid. This problem may be mitigated by the use of an additive package that contains two primary antioxidants.