Patents Represented by Attorney Michelle J. Burka

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  • Polyester tackifier and adhesive composition
    Patent number: 6989413
    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: June 6, 2003
    Date of Patent: January 24, 2006
    Assignee: Akzo Nobel N.V.
    Inventors: John Hazen, Patrick Peter Mario Aarts