US Patent Issued to LOHMANN on March 31 for "Adhesive film that can be wound and stamped" (German Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,230, issued on March 31, was assigned to LOHMANN GMBH & Co. KG (Neuwied, Germany).

"Adhesive film that can be wound and stamped" was invented by Oliver Kuhl (StraBenhaus, Germany), Ruben Friedland (Andernach, Germany), Johannes Stahl (Koblenz, Germany) and Cornelia Hoss (Koblenz, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adhesive film that can be wound and stamped having an epoxy-based adhesive compound that can be activated thermally or by UV radiation, and a dye and/or pigment mixed into the adhesive compound for producing a first color change after the activation of the adhesive compound and a second color change after the curing...