Patents by Inventor Akiko Ariga

Akiko Ariga 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).

  • Terephthalic acid monoamide derivatives, process for preparing the same, and an anti-allergic agent prepared from the same
    Patent number: 4221814
    Abstract: A terephthalic acid monoamide derivative of the formula: ##STR1## (wherein R is a straight- or branched-chain lower alkyl group; R' and R" may be the same or different, and represent a hydrogen atom, or a straight- or branched-chain lower alkyl group) or pharmaceutically acceptable salts thereof are disclosed. A process for preparing such terephthalic acid monoamide derivative or its salts, as well as an anti-allergic agent containing such derivative or its salts as an effective ingredient are also disclosed.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: September 9, 1980
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Sakae Takaku, Takashi Mori, Yasushi Murakami, Yoshiyuki Ohsugi, Shigeyuki Kataoka, Yasuhisa Takeda, Takashi Matsuno, Yoshimitsu Iida, Akiko Ariga, Akira Okazaki, Kazuo Igusa, Toshichika Ogasawara, Minoru Shindo