Patents by Inventor Marianne Kreuzpointner

Marianne Kreuzpointner 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).

  • Patent number: 6492459
    Abstract: The invention relates to a stable aqueous cream consisting of the following components: (A), which is selected from (A1) C1-C20-alkyl-C2-C6-alkoxysilanes and (A2) organopolysiloxane containing alkoxy groups; (C) an emulsifier; and (D) an organic solvent. The stable aqueous cream is suitable for the hydrophobic impregnation or priming of mineral building materials.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: December 10, 2002
    Assignee: Wacker-Chemie GmbH
    Inventors: Rudolf Hager, Hans Mayer, Marianne Kreuzpointner, Sandra Huber
  • Patent number: 6294608
    Abstract: Aqueous emulsions contain the components (A) organosilicon compounds which are selected from (A1) C1-C20-hydrocarbon-C1-C6-alkoxysilanes and (A2) branched organopolysiloxanes containing C1-C6-alkoxy groups, (B) organosilicon compounds which are selected from (B1) C1-C6-alkoxysilanes containing aminoalkyl groups and (B2) branched organosiloxanes containing aminoalkyl groups and (C) an emulsifier. The aqueous emulsions are suitable for imparting water repellency to porous mineral building materials and building coatings and to wood. .
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: September 25, 2001
    Assignee: Wacker-Chemie GmbH
    Inventors: Rudolf Hager, Marianne Kreuzpointner, Hans Mayer