Patents by Inventor Koji Iuchi

Koji Iuchi 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).

  • 4-Chloro-4-methyl-5-methylene-1,3-dioxolane-2-one
    Patent number: 4554358
    Abstract: 4-Chloro-4-methyl-5-methylene-1,3-dioxolane-2-one is useful as an intermediate for the synthesis of 4-chloromethyl-5-methyl-1,3-dioxolene-2-one which, in turn, finds use as a modifying agent for making various prodrugs.Said intermediate compound gives said objective compound in a good yield by a rearrangement reaction.
    Type: Grant
    Filed: November 16, 1984
    Date of Patent: November 19, 1985
    Assignee: Kanebo, Ltd.
    Inventors: Yasushi Takebe, Koji Iuchi, Goro Tsukamoto
  • Antimicrobial 1-ethyl-6,8-difluoro-1,4-dihydro-7-(1-imidazolyl)-4-oxoquinoline-3-carbo xylic acid derivatives
    Patent number: 4530930
    Abstract: 1-Ethyl-6,8-difluoro-1,4-dihydro-7-(1-imidazolyl)-4-oxoquinoline-3-carboxyl ic acid derivative of the formula: ##STR1## wherein R is hydrogen atom or an alkyl group having 1 to 3 carbon atoms, which have excellent anti-microbial activities and are useful as an anti-microbial agent for the treatment of infectious diseases in warm-blooded animals including human beings, and an anti-microbial composition containing said compound as an active ingredient.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: July 23, 1985
    Assignee: Kanebo, Ltd.
    Inventors: Toshio Uno, Masanori Takamatsu, Koji Iuchi, Goro Tsukamoto