Patents by Inventor Shingo Hata

Shingo Hata 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).

  • Stable composition of S-adenosyl-L-methionine
    Patent number: 4369177
    Abstract: A stable composition of S-adenosyl-L-methionine is disclosed which includes a salt of S-adenosyl-L-methionine and a pharmaceutically acceptable, water-soluble salt of a bivalent or trivalent metal. The salt of S-adenosyl-L-methionine is, for example, a salt of S-adenosyl-L-methionine with hydrochloric acid, sulfuric acid, p-toluenesulfonic acid, phosphoric acid, formic acid, acetic acid, citric acid, tartaric acid, or maleic acid; or a double salt of S-adenosyl-L-methionine with the foregoing acids. The salt of a bivalent or trivalent metal is, for example, calcium chloride, ferric chloride, magnesium chloride, or magnesium sulfate. A process for preparing the composition is also disclosed. The composition is suitable for preparing pharmaceutical preparations of S-adenosyl-L-methionine.
    Type: Grant
    Filed: November 20, 1980
    Date of Patent: January 18, 1983
    Assignee: Kanegafuchi Chemical Industry Company, Limited
    Inventors: Yuichi Kozaki, Shingo Hata, Hajime Kawaharada, Kiyoshi Watanabe