US Patent Issued to NTT on Sept. 29 for "Coating material" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,371, issued on Sept. 29, was assigned to NTT INC. (Tokyo).

"Coating material" was invented by Azusa Ishii (Tokyo), Takashi Miwa (Tokyo), Shingo Mineta (Tokyo) and Soichi Oka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coating material is a coating material used for applying a coating film made of a zinc-containing material formed in contact with a surface of a metal material and includes a binder, a first inorganic material, and a second inorganic material. The binder includes an organic resin and does not contain metallic zinc and a zinc alloy. The first inorganic material includes a sulfate having a solubility lower than 5 g/100 mL wi...