ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,055, issued on July 15, was assigned to AB Sandvik Coromant (Sandviken, Sweden).
"Coated cutting tool" was invented by Linus Von Fieandt (Stockholm), Raluca Brenning (Stockholm), Jan Engqvist (Stockholm), Andreas Blomqvist (Stockholm) and Erik Holmstrom (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coated cutting tool has a CVD coating and a substrate of a cemented carbide, wherein the metallic binder in the cemented carbide includes Ni. The CVD coating has an inner layer of TiN and a subsequent layer of TiCN. A C-activity relative to graphite in the metallic binder is lower than 0.15 and an average d electron value of the metallic bin...