US Patent Issued to MITSUI MINING & SMELTING on Feb. 24 for "Method for producing laminate and heating element, and defroster" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,884, issued on Feb. 24, was assigned to MITSUI MINING & SMELTING Co. LTD. (Tokyo).

"Method for producing laminate and heating element, and defroster" was invented by Hiroto Iida (Ageo, Japan), Makoto Hosokawa (Ageo, Japan), Misato Mizoguchi (Ageo, Japan), Shinya Hiraoka (Ageo, Japan) and Toshiyuki Shimizu (Ageo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for manufacturing a laminate that is excellent in adhesion between the copper foil and the resin film while using a polyvinyl acetal resin having low reactivity with the copper foil. This method includes the steps of providing a copper foil having on at least one side ...