US Patent Issued to Femtika, UAB on March 25 for "Aluminum surface treatment method to increase adhesion with polyurethane coating" (Lithuanian Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,600, issued on March 25, was assigned to Femtika, UAB (Vilnius, Lithuania).

"Aluminum surface treatment method to increase adhesion with polyurethane coating" was invented by Arnas Zemaitis (Vilnius, Lithuania), Deividas Cereska (Vilnius, Lithuania) and Gabrielius Kontenis (Vilnius, Lithuania).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for improvement of adhesion and distribution along the surface of coatings using a femtosecond laser is described. The process starts from chemical preparation or cleaning of the target material, surface predetermination, laser irradiation of the surface until a certain surface geometry is obtained, which...