Patents by Inventor Hisashi Ikebata

Hisashi Ikebata 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).

  • Acid chloride
    Patent number: 5510527
    Abstract: An acid chloride, bicyclo 2,2,2!oct-7ene-(2.alpha.,3.beta.,5.alpha.,6.beta.)tetracarbonyl chloride (C.sub.12 H.sub.8 O.sub.4 Cl.sub.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: April 23, 1996
    Assignee: Nitto Denko Corporation
    Inventors: Hisao Hachisuka, Katsuhide Kojima, Yutaka Nakazono, Masahiko Hirose, Yasuo Kihara, Masatoshi Maeda, Hisashi Ikebata, Kenji Matsumoto
  • Composite reverse osmosis membrane and novel acid chloride
    Patent number: 5336409
    Abstract: A composite reverse osmosis membrane comprising a thin membrane and a microporous supporting membrane supporting it, wherein said thin membrane mainly comprises a crosslinked polyamide comprising; (a) an amine component containing at least one member selected from the group consisting of substantially monomeric amine compounds each having at least two primary and/or secondary amino groups, and (b) an acid halide component containing at least one member selected from the group consisting of substantially monomeric cyclic acid halide compounds each having at least two acid halide groups and comprising at least two rings.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: August 9, 1994
    Assignee: Nitto Denko Corporation
    Inventors: Hisao Hachisuka, Katsuhide Kojima, Yutaka Nakazono, Mitsuru Shimizu, Masahiko Hirose, Yasuo Kihara, Masatoshi Maeda, Hisashi Ikebata, Kenji Matsumoto