US Patent Issued to MITSUBISHI GAS CHEMICAL on March 31 for "Aqueous composition, stainless steel surface roughening method using same, and method for manufacturing roughened stainless steel" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,373, issued on March 31, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Tokyo).

"Aqueous composition, stainless steel surface roughening method using same, and method for manufacturing roughened stainless steel" was invented by Kazuhiko Ikeda (Kanagawa, Japan), Tomoko Fujii (Tokyo) and Hiroshi Matsunaga (Yokkaichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The problem of the present invention is to provide an aqueous composition with which the surface of stainless steel is sufficiently roughened in an efficient manner with few steps, while maintaining good quality (e.g., thickness) of the stainless steel after treatment. The above...