Patents by Inventor Robert E. Singer

Robert E. Singer 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).

  • Use of H-2 antagonists for treatment of gingivitis
    Patent number: 5364616
    Abstract: The subject invention relates to methods for prevention or treatment of gingivitis or periodontitis comprising topical administration, to gingival tissues of the oral cavity, of a composition comprising a safe and effective amount of a selective histamine-2 receptor antagonist compound, and oral care compositions used therefore.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: November 15, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Robert E. Singer, James P. Ebel
  • Use of H-2 antagonists for treatment of gingivitis
    Patent number: 5294433
    Abstract: The subject invention relates to methods for prevention or treatment of gingivitis or periodontitis comprising topical administration, to gingival tissues of the oral cavity, of a composition comprising a safe and effective amount of a selective histamine-2 receptor antagonist compound, and oral care compositions used therefore.
    Type: Grant
    Filed: March 5, 1993
    Date of Patent: March 15, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Robert E. Singer, James P. Ebel