Patents by Inventor Heidrun Ott

Heidrun Ott 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).

  • Dental impression material
    Patent number: 4962134
    Abstract: The present invention relates to the addition of aluminum salts of fatty acids with 12 to 18 carbon atoms, particularly aluminum stearate, to dental impression materials on the basis of addition and/or condensation crosslinking organosilicones to improve their structural viscosity behavior and thus to ease their handling for the dentist.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: October 9, 1990
    Assignee: Blendax GmbH
    Inventors: Heidrun Ott, Werner Kuhlmann
  • Dental impression material
    Patent number: 4891390
    Abstract: The present invention relates to the addition of aluminum salts of fatty acids with 12 to 18 carbon atoms, particularly aluminum stearate, to dental impression materials on the basis of addition and/or condensation crosslinking organosilicones to improve their structural viscosity behavior and thus to ease their handling for the dentist.
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: January 2, 1990
    Assignee: Blendax GmbH
    Inventors: Heidrun Ott, Werner Kuhlmann