US Patent Issued to BASF on May 20 for "Protective films made of polyolefin support material, primer and radiation-crosslinkable hot melt adhesive" (German Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,090, issued on May 20, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).

"Protective films made of polyolefin support material, primer and radiation-crosslinkable hot melt adhesive" was invented by Dirk Wulff (Ludwigshafen, Germany), Holger Kern (Ludwigshafen, Germany), Matthias Gerst (Ludwigshafen, Germany) and Christoph Kiener (Ludwigshafen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a protection film comprising a polyolefin carrier material, a precoating of the polyolefin carrier material with a primer selected from polyurethane dispersions and a pressure-sensitive adhesive layer of a radiation-crosslinked ...