Patents by Inventor Hirosata Kondo

Hirosata Kondo 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).

  • Quinolinecarboxylic acid derivatives, antibacterial agent containing the same
    Patent number: 5166203
    Abstract: Novel quinolinecarboxylic acid derivatives of the formula: ##STR1## wherein Z is ##STR2## or ##STR3## in which R.sup.1 is hydrogen atom, a halogen atom, hydroxy or a lower alkyloxy; R.sup.2 is a halogen atom, hydroxy or a lower alkyloxy; R.sup.3 is a lower alkyl; and R.sup.4 is hydroxy or a di(lower alkyl)amino, and a pharmaceutically acceptable salt thereof, which have excellent antibacterial activities and are useful as an antibacterial agent, a pharmaceutical composition containing the same, and process for preparing the same.
    Type: Grant
    Filed: May 12, 1991
    Date of Patent: November 24, 1992
    Assignee: Kanebo, Ltd.
    Inventors: Hirosata Kondo, Masahiro Taguchi, Yoshikazu Jinbo, Yoshimasa Inoue, Yasuo Kotera, Fumio Sakamoto