Patents by Inventor Sakae Saruta

Sakae Saruta 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).

  • Quinazoline compounds and antihypertensives
    Patent number: 4734418
    Abstract: Disclosed herein is an antihypertensive preparation containing, as an active component, a novel quinazoline derivative represented by the following general formula or a salt thereof: ##STR1## wherein R.sup.100 means a hydrogen atom or methoxy group, R.sup.200 and R.sup.300 denote individually a hydrogen atom or lower alkoxy group, R.sup.400 is a hydrogen atom or amino group, l stands for 2 or 3, and Het is a specific hetero ring group.
    Type: Grant
    Filed: December 6, 1985
    Date of Patent: March 29, 1988
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Keiichi Yokoyama, Koji Kato, Takumi Kitahara, Hiroyasu Ohno, Takashi Nishina, Mikio Kumakura, Akira Awaya, Takuo Nakano, Kazuyuki Watanabe, Sakae Saruta