Patents by Inventor David Clinton Heckert

David Clinton Heckert 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).

  • Oral compositions
    Patent number: 5683678
    Abstract: The present invention relates to oral compositions containing cranberries or parts of cranberries, such as cranberry extract, or a mixture of such materials and other antibacterial/antimicrobial agents. The invention also relates to methods of treating plaque/gingivitis and other periodontal diseases as well as dental calculus and caries.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: November 4, 1997
    Assignee: The Procter & Gamble Company
    Inventors: David Clinton Heckert, Richard Joseph Sunberg
  • Detergent compositions containing internal vicinal disulfates
    Patent number: 4049585
    Abstract: Detergent compositions are disclosed incorporating vicinal non-terminal disulfates as low sudsing surfactants and for their enhanced hard surface detergency characteristics.
    Type: Grant
    Filed: December 11, 1975
    Date of Patent: September 20, 1977
    Assignee: The Procter & Gamble Company
    Inventor: David Clinton Heckert