Patents Represented by Attorney, Agent or Law Firm Michele J. Burke
  • Polyester tackifier and adhesive composition
    Patent number: 6653398
    Abstract: The invention relates to a novel polyester tackifier, adhesive compositions comprising the tackifier and methods of preparation. More specifically, the polyester tackifier is obtainable by polymerising a mixture comprising a diacid or derivative thereof, a diol, and at least 6 molar % of an organic monofunctional compound, wherein the mixture is essentially free from compounds comprising more than two carboxylic acid groups or alcohol groups.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: November 25, 2003
    Assignee: Akzo Nobel N.V.
    Inventors: John Hazen, Patrick Peter Mario Aarts