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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.:

US 12502819 B1

PDFFull Text
Date of Patent:
Dec. 23, 2025

Filed:

Jun. 09, 2022

Fluoropolymer free polymer processing aids

Applicant:

Nova Chemicals (International) S.a., Fribourg, CH;

Inventors:

Jared Taylor, Calgary, CA;

Tony Tikuisis, Calgary, CA;

P. Scott Chisholm, Calgary, CA;

Norman Aubee, Okotoks, CA;

Douglas Checknita, Calgary, CA;

Assignee:

NOVA Chemicals (International) S.A., Fribourg, CH;

Attorney:

Thomas J. Styslinger

Primary Examiner:

Michael M Robinson

Int. Cl.
CPC ...
B29C 48/00 (2019.01); B29K 23/00 (2006.01); B29K 71/00 (2006.01); B29K 105/00 (2006.01); B29K 105/16 (2006.01); B29K 303/08 (2006.01); B29K 509/02 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01); C08L 23/06 (2006.01); C08L 23/0807 (2025.01); C08L 71/02 (2006.01);
U.S. Cl.
CPC ...
B29C 48/022 (2019.02); C08K 3/22 (2013.01); C08K 3/26 (2013.01); C08L 23/06 (2013.01); C08L 23/0815 (2013.01); C08L 71/02 (2013.01); B29C 48/0018 (2019.02); B29K 2023/06 (2013.01); B29K 2023/0625 (2013.01); B29K 2023/0633 (2013.01); B29K 2023/08 (2013.01); B29K 2071/02 (2013.01); B29K 2105/0094 (2013.01); B29K 2105/16 (2013.01); B29K 2303/08 (2013.01); B29K 2509/02 (2013.01); B29K 2995/0063 (2013.01); B29K 2995/0078 (2013.01); B29K 2995/0088 (2013.01); B29K 2995/0097 (2013.01); C08K 2003/2296 (2013.01); C08K 2003/267 (2013.01); C08L 2203/30 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2207/066 (2013.01);
Abstract

A polymer processing aid (PPA) reduces melt defects in extruded polyolefins in the absence of fluoropolymers. The polymer processing aid comprises a polyalkylene glycol such as a polyethylene glycol together with a high pressure low density polyethylene (LDPE) and reduces melt defects well in a thermoplastic polyolefin such as a linear low density polyethylene (LLDPE).

Find Patent Forward Citations

Taylor, Jared. (2025). Fluoropolymer free polymer processing aids (U.S. Patent No. 12502819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12502819

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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