Patents by Inventor Volker Dreja

Volker Dreja 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).

  • Adhesive usable in solvent-free form
    Patent number: 5824743
    Abstract: An adhesive for solvent-free use consists of at least one polyurethane containing --OH or --NCO end groups modified by a (meth)acrylate- or vinyl- homo- or copolymer which may contain hydroxy functions, in which the polyurethane is the product of the reaction between a polyether polyol or dialcohol and/or a polyester polyol with an isocyanate monomer containing 1 to 4 --NCO groups and/or a polyisocyanate and/or a polyurethane prepolymer containing NCO end groups or --OH end groups.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: October 20, 1998
    Assignee: Morton International, GmbH
    Inventors: Gerhard Krawczyk, Volker Dreja