Patents by Inventor Yukio ASAKA

Yukio ASAKA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD FOR PRODUCING PEPTIDE COMPOUND
    Publication number: 20220153777
    Abstract: The present invention is to provide a method for producing a peptide containing an N-alkylamino acid, which comprises the following Steps (1) to (3). Step (1): a step of mixing an N-terminal protected amino acid or an N-terminal protected peptide with a carboxylic acid halide or a halogenated alkyl formate; Step (2): a step of mixing an amino acid or a peptide in which the N-terminal and the C-terminal are not protected with a trialkylsilylating agent; and Step (3): a step of mixing the product obtained in Step (1) with the product obtained in Step (2).
    Type: Application
    Filed: March 16, 2020
    Publication date: May 19, 2022
    Applicants: NISSAN CHEMICAL CORPORATION, PeptiDream Inc.
    Inventors: Hisayuki TAKEUCHI, Yukio ASAKA, Akihiro NAGAYA, Michiharu HANDA, Keiichi MASUYA, Tomonori TAGURI, Yoshitaka NEMOTO, Yutaka KOBAYASHI, Ayumu MATSUDA, Haruaki KURASAKI, Douglas Robert CARY