Patents by Inventor Masazumi Ikeda

Masazumi Ikeda 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).

  • Pyrimidine derivatives
    Patent number: 4849424
    Abstract: The present invention relates to novel pyrimidine derivatives of the general formula ##STR1## wherein R.sup.1 represents a pyrazolyl, imidazolyl, or triazolyl group, R.sup.2 represents hydrogen atom or lower alkyl group, R.sup.3 represents a halo, amino, lower alkoxy, pyrazolyl, imidazolyl, triazolyl, piperidinyl, or aryloxy group, one of X or Y represents N and the other of X or Y represents CH, and the salts thereof.These derivatives may be used in the treatment of peptic ulcer disease.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: July 18, 1989
    Assignee: Nissin Shokuhin Kabushiki Kaisha
    Inventors: Masazumi Ikeda, Susumu Okabe