Patents by Inventor Hans Rolf Kase

Hans Rolf Kase 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).

  • Tooth surface treatment composition and methods
    Patent number: 6575752
    Abstract: A tooth surface treatment composition includes an acidic component which is at least one water-soluble acid in an aqueous solution, such that when the composition is applied to the tooth surface and not subsequently washed, it will increase the adhesiveness of the tooth structure. A method of treating a tooth structure includes contacting the tooth structure with such a composition.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: June 10, 2003
    Assignee: Dentsply DeTrey GmbH
    Inventors: Kai Pflug, Gordon Brian Blackwell, Steven R. Jefferies, Hans Rolf Kase
  • Tooth surface treatment composition and methods
    Patent number: 6004390
    Abstract: A tooth surface treatment composition includes an acidic component which is at least one water-soluble acid in an aqueous solution, such that when the composition is applied to the tooth surface and not subsequently washed, it will increase the adhesiveness of the tooth structure. A method of treating a tooth structure includes contacting the tooth structure with such a composition.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: December 21, 1999
    Assignee: DENTSPLY DeTrey GmbH
    Inventors: Kai Pflug, Gordon Brian Blackwell, Steven R. Jefferies, Hans Rolf Kase