Patents by Inventor Robert E. Singer, Jr.

Robert E. Singer, Jr. 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).

  • Methods for aiding periodontal tissue regeneration
    Patent number: 5447725
    Abstract: Methods for aiding periodontal tissue regeneration with compositions containing bioresorbable polymers, leachable solvents, and bioavailable drug actives. The compositions useful for these methods are characterized by becoming harder upon contact with the periodontal tissue such that the composition is effective for aiding tissue regeneration and by releasing a therapeutically-effective amount of drug active agent.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: September 5, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Nalinkant C. Damani, Douglas C. Mohl, Robert E. Singer, Jr.
  • Methods for evaluating risk of developing periodontitis
    Patent number: 5376532
    Abstract: The subject invention relates to methods and kits for detecting or evaluating risk of presently or later developing active periodontitis, comprising: (a) collecting gingival crevicular fluid; (b) measuring the amount in the gingival crevicular fluid of IgA; (c) measuring the amount in the gingival crevicular fluid of a marker for polymorphonuclear leukocytes; (d) comparing a ratio of the amounts obtained from steps (b) and (c) to a standard.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: December 27, 1994
    Assignee: The Procter & Gamble Company
    Inventor: Robert E. Singer, Jr.