Patents by Inventor Yoshikazu Takayanagi

Yoshikazu Takayanagi 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).

  • Anhydrous L-lysine monohydrochloride in .alpha.-cyrstalline form and preparation thereof
    Patent number: 4256917
    Abstract: A novel crystalline form of anhydrous L-lysine monohydrochloride has been found. The novel crystals do not become agglomerated or hardened when packaged. The crystals are formed when the corresponding dihydrate crystals having a sodium content equal to or less than 4 ppm* are dried in a chamber maintained at a temperature equal to or greater than 115.degree. C.*Na/L-Lys.
    Type: Grant
    Filed: December 10, 1976
    Date of Patent: March 17, 1981
    Assignee: Ajinomoto Company, Limited
    Inventors: Yoshikazu Takayanagi, Katsuo Iizumi, Masashi Miyazawa, Nobuyuki Yamaya, Hajime Tamura