Patents by Inventor Herbert B. Brock

Herbert B. Brock 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).

  • Strong anion exchange resins free of active chloride and method of preparation
    Patent number: 4025467
    Abstract: Process for preparing a strongly basic anion exchange resin free of chloride by a two-stage method involving converting covalent chlorine in the resins polymer network to ionic chloride by solvolytic displacement followed by conversion of the resin from the normal chloride form through an intermediate ion form to the hydroxide form, and the strongly basic chloride free anion exchange resin.
    Type: Grant
    Filed: June 13, 1975
    Date of Patent: May 24, 1977
    Assignee: Rohm and Haas Company
    Inventor: Herbert B. Brock