Patents by Inventor Walter Lassman

Walter Lassman 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).

  • Transparent coating powder dispersions (transparent coating powder slurry, method for the production and use thereof
    Publication number: 20030158332
    Abstract: Powder clearcoat dispersions (powder slurry clearcoats) preparable by adding a secondary (meth)acrylate copolymer dispersion in liquid and/or powder form to a powder slurry during and/or after its preparation; and the use thereof for producing clearcoat finishes, especially as part of multicoat color and/or effect finishes.
    Type: Application
    Filed: November 19, 2002
    Publication date: August 21, 2003
    Inventors: Walter Lassman, Heinz-Peter Rink, Horst Hintze-Bruning, Klaus-Dieter Stegmann
  • Powder clearcoat dispersions (powder slurry clearcoats), method for producing them and the use thereof
    Publication number: 20030153662
    Abstract: Powder clearcoat dispersions (powder slurry clearcoats) preparable by dispersing a powder clearcoat in an aqueous medium and wet milling the resulting powder slurry, at least one adduct of ethylene oxide and/or propylene oxide with at least one glycol being added to the powder slurry prior to wet milling; and the use of the powder slurry clearcoats for producing clearcoat finishes, especially as part of multicoat color and/or effect finishes.
    Type: Application
    Filed: November 19, 2002
    Publication date: August 14, 2003
    Inventors: Walter Lassman, Horst Hintze-Bruning, Wolfgang Bremser, Ulrike Rockrath