Patents by Inventor Moroshi Yasui

Moroshi Yasui 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).

  • Process for production of (+)-2-amino-1-butanol
    Patent number: 3979457
    Abstract: A process for producing (+)-2-amino-1-butanol comprising optically resolving an N-acyl-DL-aminobutyric acid using an acylase to obtain L-2-aminobutyric acid and an N-acyl-D-aminobutyric acid which is recycled after racemization, esterifying the L-2-aminobutyric acid to form L-2-aminobutyric acid ester, and reducing the L-2-aminobutyric acid ester to form (+)-2-amino-1-butanol.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: September 7, 1976
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Chiyuki Fujii, Moroshi Yasui, Yoshiaki Ishimathu