ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,797, issued on June 3, was assigned to Topas Advanced Polymers GmbH (Raunheim, Germany).
"Polyolefin film and use thereof" was invented by Wolfram Goerlitz (Wiesbaden, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are biaxially stretched polyolefin films containing a) 10 to 45% by weight of a cycloolefin polymer with a glass transition temperature between 120 and 170deg C., and b) 90 to 55% by weight of a semi-crystalline alpha-olefin polymer with a crystallite melting temperature between 150 and 170deg C., wherein the glass transition temperature of component a) being less than or equal to the crystallite melting temperature of co...