Patents by Inventor Kiyokazu Jimpo

Kiyokazu Jimpo 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).

  • Antimicrobial 7-(.alpha.-acylamino-.alpha.-arylacetamido)-3-(substituted methyl)cephalosporin compounds
    Patent number: 4390535
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or a (C.sub.1 -C.sub.4) alkyl group, X is a straight or branched chain C.sub.1 -C.sub.4 alkylene group and R.sub.2 is a carboxyl group or a sulfo group; and the pharmaceutically acceptable salts thereof exhibit strong inhibitory activities against a wide variety of Gram-positive and Gram-negative bacteria including Psendomonas aeruginosa, indolepositive Proteus and Enterobacter aerogenes, and also have an increased and prolonged serum level in a living body. The compounds are therefore useful as antibacterial agents for the treatment of infectious diseases caused by Gram-positive and Gram-negative bacteria.
    Type: Grant
    Filed: March 5, 1981
    Date of Patent: June 28, 1983
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Hirotada Yamada, Kiyokazu Jimpo, Takao Okuda, Hiroshi Noguchi, Hisao Tobiki