Patents by Inventor Fred Rueggeberg

Fred Rueggeberg 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).

  • Fluoride-releasing amalgam dental restorative material
    Patent number: 6455609
    Abstract: A fluoride-releasing dental amalgam composition for a tooth restoration comprising a dental amalgam alloy material and an fluoride-containing, the glass particulate powder component of a fluoride-leachable acid-etchable glass ionomer cement. The invention further provides a method for using the composition to prevent or reduce secondary caries in an existing tooth restoration, which is classified as a dental amalgam in nature.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: September 24, 2002
    Assignee: MCG Research Institute Medical College of Georgia
    Inventors: Fred Rueggeberg, Gary Whitford, Don Mettenburg
  • Fluoride-releasing amalgam dental restorative material
    Patent number: 6440398
    Abstract: A fluoride-releasing dental amalgam composition for a tooth restoration comprising a dental amalgam alloy material and an fluoride-containing, the glass particulate powder component of a fluoride-leachable acid-etchable glass ionomer cement. The invention further provides a method for using the composition to prevent or reduce secondary caries in an existing tooth restoration, which is classified as a dental amalgam in nature.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: August 27, 2002
    Assignee: MCG Research Institute, Medical College of Georgia
    Inventors: Fred Rueggeberg, Gary Whitford, Don Mettenburg
  • Fluorescent agent for the identification of tooth dentin
    Patent number: 6391281
    Abstract: A method of topically applying a fluorescing agent to a cut tooth, cut dental restorative material or dentin surface to distinguish between cut tooth or dentin and existing aesthetic restoration material or enamel specifically for the purposes of detection and identification of the tooth tissue dentin.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: May 21, 2002
    Assignee: Medical College of Georgia Research Institute
    Inventors: Fred Rueggeberg, Don Mettenberg, John Wataha, Frank Caughman, George Schuster
  • Fluoride-releasing amalgam dental restorative material
    Publication number: 20020028856
    Abstract: A fluoride-releasing dental amalgam composition for a tooth restoration comprising a dental amalgam alloy material and an fluoride-containing, the glass particulate powder component of a fluoride-leachable acid-etchable glass ionomer cement. The invention further provides a method for using the composition to prevent or reduce secondary caries in an existing tooth restoration, which is classified as a dental amalgam in nature.
    Type: Application
    Filed: August 13, 2001
    Publication date: March 7, 2002
    Applicant: Medical College of Georgia
    Inventors: Fred Rueggeberg, Gary Whitford, Don Mettenburg