US Patent Issued to Winpak on June 9 for "High stiffness, high impact, clarified polypropylene compositions" (Texas Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,849, issued on June 9, was assigned to Winpak Ltd. (Winnipeg, Canada).

"High stiffness, high impact, clarified polypropylene compositions" was invented by Chen Wan (Kingwood, Texas) and Ming-Lun Wu (Richmond, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are high stiffness, high impact strength and clarified polypropylene-containing compositions. The disclosed compositions comprise a polypropylene, a nucleating agent, and optionally one or more additives. In certain aspects, the polypropylene includes a first polypropylene and a second polypropylene that is different from the first. The disclosed compositions exhibit high stif...