ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,264, issued on Oct. 7, was assigned to TOCALO Co. LTD. (Hyogo, Japan).
"Method for forming silica-based multilayer coating on substrate from polysilazane-containing compositions" was invented by Takaomi Tanabe (Hyogo, Japan), Seiichiro Kawachi (Hyogo, Japan) and Kosaku Hiyama (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The method for forming a coating of the present invention includes: a first step of applying a first solution containing a polysilazane to a surface of a metal substrate and heating the first solution to form a first coating on the surface of the metal substrate, and a second step of applying a second solution containi...