US Patent Issued to TAKASAGO INTERNATIONAL on Aug. 4 for "Ruthenium complex, production method of the complex, and production method of optically active secondary alcohols using the complex as catalyst" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,300, issued on Aug. 4, was assigned to TAKASAGO INTERNATIONAL Corp. (Tokyo).

"Ruthenium complex, production method of the complex, and production method of optically active secondary alcohols using the complex as catalyst" was invented by Yuji Nakayama (Kanagawa, Japan), Yamato Yuki (Kanagawa, Japan), Kazuhiko Sakaguchi (Kanagawa, Japan) and Nao Tamaki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ruthenium complex of the following formula (1), a production method thereof, and uses of the ruthenium complex are disclosed. A method for producing the ruthenium complex includes a process of reacting a specific ruthenium complex with a...