Patents Represented by Attorney, Agent or Law Firm Emelyn deLeon Hilano
  • Dentifrice compositions containing &bgr;-phase calcium pyrophosphate an anticalculus agent, and fluoride
    Patent number: 6241974
    Abstract: Disclosed are dentifrice compositions comprising from about 30% to about 45% of &bgr;-phase calcium pyrophosphate, an anticalculus agent, a soluble fluoride ion source capable of providing from about 50 ppm to about 3500 ppm of free fluoride ions, and one or more aqueous carriers. The anticalculus agent may be a polyphosphonate source, a polyphosphate source, or a pyrophosphate source.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: June 5, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Donald James White, Jr., Edward Russell Cox