Patents Examined by Anang Sridhara
  • Method of making highly adsorptive copolymers
    Patent number: 4962133
    Abstract: A precipitation polymerization process for the production of a macroporous cross-linked copolymer in which there is added to a reactor equipped with a stirrer, at least one monounsaturated monomer and at least one polyunsaturated monomer, dissolving an inorganic polymerization reaction initiator in a homogeneous minimum-boiling binary azeotrope including a solvent and water, and conducting the polymerization in the azeotrope.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: October 9, 1990
    Assignee: Dow Corning Corporation
    Inventors: Richard C. Chromecek, Milan F. Sojka, William L. Klein, Walter J. Carmody