Patents by Inventor Hideotoshi Wakamatsu

Hideotoshi Wakamatsu 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 producing dry .alpha.-L-aspartyl-L-phenylalanine methyl ester
    Patent number: 4835303
    Abstract: A process for producing dry .alpha.-L-aspartyl-L-phenylalanine methyl ester, which comprises drying wet crystals of .alpha.-L-aspartyl-L-phenylalanine methyl ester by means of an air having an absolute humidity of at least 0.015 kg/kg or at most 0.01 kg/kg.
    Type: Grant
    Filed: August 11, 1987
    Date of Patent: May 30, 1989
    Assignee: Toyo Soda Manufacturing Company, Ltd.
    Inventors: Hideotoshi Wakamatsu, Shigeaki Irino, Tsuneo Harada, Akira Tokuda, Kiyotaka Oyama