US Patent Issued to ExxonMobil Technology and Engineering on July 7 for "Polymer processing aids" (Belgian, American Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,049, issued on July 7, was assigned to ExxonMobil Technology and Engineering Co. (Spring, Texas).

"Polymer processing aids" was invented by Michael A Leaf (Baytown, Texas), Danny Van Hoyweghen (Heverlee, Belgium), Haiqing Peng (Sugar Land, Texas), Petra M. Eiselt (Houston) and Luke A. Galuska (Crosby, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 polym...