Patents by Inventor Raul L'Orange

Raul L'Orange 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).

  • Cleaning agents for dentures
    Patent number: 4181621
    Abstract: Disclosed is a cleaning agent for dentures, commonly in the form of powder or tablets, which is characterized by a content of at least 30% by weight urea based on the total composition. Said cleaning agent displays an improved cleaning capacity.
    Type: Grant
    Filed: July 8, 1975
    Date of Patent: January 1, 1980
    Assignee: Blendax-Werke R. Schneider & Co.
    Inventors: Helmut Raaf, Raul L'Orange, Helmut Harth
  • Means for caries prophylaxis
    Patent number: 4001393
    Abstract: Disclosed are compositions containing 1,6-di-4'-fluorophenyldiguanidohexane and/or its non-toxic inorganic or organic salts as a means for caries prophylaxis.
    Type: Grant
    Filed: January 9, 1974
    Date of Patent: January 4, 1977
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventor: Raul L'Orange