US Patent Issued to NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, TOSOH on May 12 for "Carbamate production method, carbamate ester production method, and urea derivative production method" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,999, issued on May 12, was assigned to NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Tokyo) and TOSOH Corp. (Shunan, Japan).

"Carbamate production method, carbamate ester production method, and urea derivative production method" was invented by Katsuhiko Takeuchi (Tsukuba, Japan), Kazuhiro Matsumoto (Tsukuba, Japan), Norihisa Fukaya (Tsukuba, Japan), Hiroki Koizumi (Tsukuba, Japan), Jun-Chul Choi (Tsukuba, Japan), Masahito Uchida (Ayase, Japan), Seiji Matsumoto (Minato-ku, Japan) and Satoshi Hamura (Minato-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a carbamic acid salt, including contacting a c...