Patents by Inventor Heinrich Dehne

Heinrich Dehne 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).

  • Aqueous polymer dispersions for coating wood
    Patent number: 5070136
    Abstract: Aqueous polymer dispersions essentially containing a copolymer ofa) from 85 to 98.5% by weight of methacrylates,b) from 0.5 to 4% by weight of arcylic acid and/or methacrylic acid,c) from 0.5 to 4% by weight of acrylamide and/or methacrylamide,d) from 0.5 to 4% by weight of an .alpha.,.beta.-ethylenically diunsaturated or polyunsaturated compound ande) from 0 to 3% by weight of a carbonyl-containing .alpha.,.beta.-ethylenically unsaturated compound, a process for their preparation, and their use for coating wood.
    Type: Grant
    Filed: March 26, 1991
    Date of Patent: December 3, 1991
    Assignee: BASF Akteingesellschaft
    Inventors: Rolf Dersch, Heinrich Dehne, Roland Gellert, Dietrich-Wolfgang Mueller, Johannes Vinke, Eckehardt Wistuba