Patents by Inventor Kobayashi, Hidetoshi

Kobayashi, Hidetoshi 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).

  • Derivative of dihydroxybenzamide and a pharmaceutical composition having an anti-inflammatory activity
    Patent number: 4725598
    Abstract: Disclosed herein are a derivative of dihydroxybenzamide represented by the formula(I): ##STR1## wherein (1) R.sup.1 represents a hydrogen atom or a lower alkyl group and R.sup.2 represents a straight chain-alkyl group of 4 to 12 carbon atoms, a branched chain-alkyl group of 4 to 12 carbon atoms, a cyclo-alkyl group of 4 to 12 carbon atoms, ##STR2## wherein n is an integer of 1 to 6, or a pyridyl group which is substituted or unsubstituted, or (2) R.sup.1 and R.sup.2 are cyclized to make a heterocycle containing amino group represented by the formula ##STR3## wherein X represents a nitrogen atom or a methine and Y represents a hydrogen atom, an alkyl group of 1 to 6 carbon atoms or a phenyl group, and a pharmaceutical composition containing the same.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: February 16, 1988
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hitoshi Takita, Sakuo Noda, Yutaka Mukaida, Kazuyoshi Inada, Mari Toji, Fumihiko Kimura, Toyohiko Nitta, Kohju Watanabe, Kiyonori Umekawa, Kobayashi, Hidetoshi