Patents by Inventor Baoan Li

Baoan Li 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).

  • Stable dentifrice compositions comprising polyphosphate, fluoride, and stannous
    Publication number: 20030003061
    Abstract: Disclosed are oral compositions comprising: (a) an effective amount of one or more linear polyphosphates having an average chain length of about 4 or more; (b) from about 0.15% to about 5% of a fluoride ion source; (c) from about 0.1% to about 15% of a stannous ion source; (d) an effective amount of a buffering agent; (e) from about 6% to about 70% of an abrasive polishing material containing less than 23% calcium; and (f) from about 40% to about 99% of one or more aqueous carriers; wherein the oral composition has a total water content of from about 1% to about 20%.
    Type: Application
    Filed: August 14, 2002
    Publication date: January 2, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Jiang Yue, Sekhar Mitra, Yujun Li, Hsiang-Kuen Mao, Baoan Li