Patents by Inventor Shogo Tomizawa

Shogo Tomizawa 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).

  • Bis(benzamido)-benzoic acid derivatives
    Patent number: 3953496
    Abstract: A bis(benzamido)-benzoic acid derivative represented by the formula ##SPC1##Wherein R.sup.1, R.sup.2 and R.sup.3 are as defined hereinbelow and a process for preparing the same is disclosed.The compounds of the invention inhibit hemolysis of sheep red blood cell and cutaneous anaphylactic reaction, and also have an antipyretic sedative, anti-inflammatory and anti-allergic effect and are especially useful for treatment of rheumatic arthritis, bronchial asthma and nephritis.
    Type: Grant
    Filed: March 13, 1974
    Date of Patent: April 27, 1976
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Takashi Mori, Sakae Takaku, Yoshiyuki Osugi, Takashi Matsuno, Shogo Tomizawa