Patents Represented by Attorney J. R. Crosmun

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  • 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 N-acetylated amino acid complexes in oral care compositions
    Patent number: 5358705
    Abstract: The subject invention encompasses methods and compositions comprising N-acetylated amino acid complexes for reducing or preventing dental plaque, calculus, or gingival or periodontol diseases of the oral cavity in humans or lower animals.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: October 25, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Robert W. Boggs, John R. Wietfeldt