ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,850, issued on Nov. 11, was assigned to NISSAN CHEMICAL Corp. (Tokyo).
"Method for producing peptide compound" was invented by Akihiro Nagaya (Funabashi, Japan), Michiharu Handa (Funabashi, Japan) and Yuji Mimori (Funabashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a method for producing a peptide by (1) removing the N-terminal protective group of an amino acid or peptide compound of formula (I):wherein Y represents a residue of an N-protected amino acid or an N-protected peptide, and each of R1, R2, and R3 independently represents an aliphatic hydrocarbon group which may have a substituent or an aromatic hydrocarb...