ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,834, issued on Jan. 20, was assigned to NISSAN CHEMICAL Corp. (Tokyo) and PEPTIDREAM INC. (Kawasaki, Japan).
"Method for producing peptide compound" was invented by Keisuke Morodome (Funabashi, Japan) and Michiharu Handa (Funabashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a method for producing a peptide with high efficiency, and a method for producing a peptide which comprises the following steps (1) and (2): (1) a step of mixing an N-protected amino acid or an N-protected peptide with a carboxylic acid halide represented by the formula (I) (wherein X represents a halogen atom, R1, R2 an...