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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 12674049 B1

PDFFull Text
Date of Patent:
Jul. 07, 2026

Filed:

Jan. 07, 2025

Polymer processing aids

Applicant:

Exxonmobil Technology and Engineering Company, Spring, TX (US);

Inventors:

Michael A Leaf, Baytown, TX (US);

Danny Van Hoyweghen, Heverlee, BE;

Haiqing Peng, Sugar Land, TX (US);

Petra M. Eiselt, Houston, TX (US);

Luke A. Galuska, Crosby, TX (US);

Assignee:

ExxonMobil Technology and Engineering Company, Spring, TX (US);

Attorney:

C. Tumey Law Group PLLC

Primary Examiner:

Ana L Woodward

Int. Cl.
CPC ...
C08L 23/0807 (2025.01); B29C 48/00 (2019.01); B29C 48/10 (2019.01); B29K 23/00 (2006.01); B29K 67/00 (2006.01); B29K 77/00 (2006.01); B29K 85/00 (2006.01); B29K 105/00 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C08L 23/0815 (2013.01); B29C 48/022 (2019.02); B29C 48/10 (2019.02); C08J 5/18 (2013.01); B29K 2023/0625 (2013.01); B29K 2067/00 (2013.01); B29K 2077/00 (2013.01); B29K 2085/00 (2013.01); B29K 2105/0088 (2013.01); B29K 2995/0012 (2013.01); B29K 2995/0088 (2013.01); B29K 2995/0094 (2013.01); C08J 2323/08 (2013.01); C08J 2477/04 (2013.01); C08J 2485/02 (2013.01); C08L 2203/16 (2013.01); C08L 2205/03 (2013.01); C08L 2205/06 (2013.01); C08L 2310/00 (2013.01);
Abstract

Methods and compositions for processing polymers with fluorine-free polymer processing aids (PPAs) are described. The methods can include extruding a polymer composition, optionally with a masterbatch, wherein the polymer composition and/or the masterbatch comprises a fluorine-free PPA to make a polymeric film. The PPA comprises a mixture of one or more polyamides and one or more polyphosphites.

Find Patent Forward Citations

Leaf, Michael. (2026). Polymer processing aids (U.S. Patent No. 12674049). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12674049

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

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