Patents by Inventor James E. Coughlin

James E. Coughlin 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).

  • Ternary adhesive systems containing a polyester polyol, an isocyanate-polyester-urethane, and a crosslinking agent which is a polyisocyanate
    Patent number: 4487909
    Abstract: Disclosed are adhesive systems and adhesives formed from (A) hydroxyl-terminated, preferably branched, polyols containing adipic acid, (B) isocyanate-capped, polyol-based urethanes also containing adipic acid and (C) polyisocyanate cross-linking agents.
    Type: Grant
    Filed: October 3, 1983
    Date of Patent: December 11, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James E. Coughlin, Eugene G. Sommerfeld, Clifford H. Strolle
  • Laminates from an adhesive formed by a system containing an hydroxyl-terminated polymer, an isocyanate-terminated urethane and a polyisocyanate which is a cross-linking agent
    Patent number: 4486508
    Abstract: Disclosed are laminates and their preparation with adhesives formed from (A) hydroxyl-terminated, preferably branched, polyols, (B) isocyanate-capped, polyol-based urethanes and (C) polyisocyanate crosslinking agents.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: December 4, 1984
    Assignee: E. I. duPont de Nemours and Company
    Inventors: James E. Coughlin, Eugene G. Sommerfeld, Clifford H. Strolle
  • Ternary adhesive systems
    Patent number: 4419476
    Abstract: Disclosed are adhesive systems and adhesives formed from (A) hydroxyl-terminated, preferably branched, polyols, (B) isocyanate-capped, polyol-based urethanes and (C) polyisocyanate crosslinking agents. In their preferred embodiments, they are applicable by direct gravure procedures and are useful in boil-in-bag technology.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: December 6, 1983
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventors: James E. Coughlin, Eugene G. Sommerfeld, Clifford H. Strolle