Patents by Inventor Kojuro Ikeda

Kojuro Ikeda 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).

  • Permselective polymeric membranes of organic polyamide or polyhydrazide
    Patent number: 3993625
    Abstract: Permselective membranes are prepared from novel synthetic organic aromatic or alicyclic polyamides or polyhydrazides of the formula ##EQU1## The membranes are useful in separating components of fluid mixtures or solutions such as water containing dissolved salts or lactam.
    Type: Grant
    Filed: May 22, 1974
    Date of Patent: November 23, 1976
    Assignee: Toray Industries, Inc.
    Inventors: Masaru Kurihara, Kojuro Ikeda, Noriaki Dokoshi, Akio Kobayashi