Patents Examined by N. Sarofin
  • Patent number: 4359571
    Abstract: The present invention relates to a process for the preparation of stable graft polymer dispersions having improved dispersibility by a free radical polymerization of an ethylenically unsaturated monomer under conditions of no-reflux or alternatively under conditions that do not return the evaporated monomer to the dispersion. Polyurethane foams may be prepared from these polymer dispersions.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: November 16, 1982
    Assignee: BASF Wyandotte Corporation
    Inventors: William A. Bernstein, John E. Davis, Joseph R. Gregoria, Jr.
  • Patent number: 4334878
    Abstract: An aqueous blue ink for use in ink jet printing, the ink being a mixture of a blue dye, a cyan dye, a styrene/acrylic binder, water and ammonia as a volatile solubilizing constituent.
    Type: Grant
    Filed: March 5, 1981
    Date of Patent: June 15, 1982
    Assignee: International Business Machines Corporation
    Inventors: Robert S. Cutler, Michael T. Moore
  • Patent number: 4332715
    Abstract: Vinyl resin compositions are disclosed which possess improved lubricity, mold releasability, water repellency, abrasion resistance, gloss and/or processability. These improvements are obtained by mixing with the vinyl resin a minor portion of an organopolysiloxane which bears one or more acyloxyhydrocarbyl radicals bonded to silicon in the organopolysiloxane.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: June 1, 1982
    Assignee: Toray Silicone Limited
    Inventors: Isao Ona, Masaru Ozaki