Patents Assigned to Toson Corporation
  • Ion exchange resins containing glycidyl ether spacer groups
    Patent number: 5438077
    Abstract: An ion exchanger comprising a particle of an insoluble crosslinked polymer having alcoholic hydroxyl groups, as a base material, and a glycidyl-adduct of polyol and/or its oligomer, as a spacer, wherein ion exchange groups are attached to the spacer.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: August 1, 1995
    Assignee: Toson Corporation
    Inventors: Katsuo Komiya, Toshikuni Koga, Yoshio Kato