Patents by Inventor Nobuhide Morikawa

Nobuhide Morikawa 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).

  • Crystallized cephalosporin salts
    Patent number: 4316018
    Abstract: Crystallized cephalosporin salts, particularly crystalline addition salt of pivaloyloxymethyl 7.beta.-[2-(2-aminothiazol-4-yl)acetamido]-3-[[[1-(2-dimethylaminoethyl)-1 H-tetrazol-5-yl]thio]methyl]ceph-3-em-4-carboxylate with hydrochloric acid, tartaric acid or citric acid, which is very stable and is readily adsorbable through intestinal tract, with little individual differences, when the salt is applied orally.
    Type: Grant
    Filed: May 6, 1980
    Date of Patent: February 16, 1982
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yoshinobu Yoshimura, Nobuhide Morikawa, Kunio Takanohashi