US Patent Issued to CONSTANTIA PIRK on July 14 for "Method for producing a recyclable and easily tearable multi-layer plastic having a good barrier effect" (German Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,076, issued on July 14, was assigned to CONSTANTIA PIRK GMBH & Co. KG (Pirk, Germany).

"Method for producing a recyclable and easily tearable multi-layer plastic having a good barrier effect" was invented by Achim Grefenstein (Altrip, Germany), Markus Kick (Weiden, Germany) and Thami Lamtigui (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect of the present disclosure, a method for producing a multi-layer plastic may include coextruding a first laminate with a substrate layer having an HDPE content of at least 60% by volume; a barrier layer having a barrier polymer and having a thickness of at most 20% of a total thickness...