ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,060, issued on April 8, was assigned to UBE Corp. (Yamaguchi, Japan).
"Production method for L-cyclic amino acids" was invented by Masaharu Mizutani (Hyogo, Japan), Ryoma Miyake (Tokyo) and Hiroshi Kawabata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a method of industrially producing a high-purity L-cyclic amino acid more inexpensively and with a high efficiency, from a cyclic amino acid having a double bond at the 1-position. The present invention provides a method in which an L-cyclic amino acid is produced by allowing a cyclic amino acid having a double bond at the 1-position to react wi...