Patents by Inventor Yun Po Zhang

Yun Po Zhang 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).

  • Fluoride free dental remineralization
    Patent number: 6207138
    Abstract: A method and composition for remineralizing teeth wherein the composition contains a mixture of a casein glycomacropeptide and xylitol.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: March 27, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: Yun Po Zhang, Abdul Gaffar
  • Fluoride dentifrices of enhanced efficacy
    Patent number: 5853704
    Abstract: A multicomponent anticaries dentifrice composition and method of use therefore, having a first dentifrice component containing a fluoride ion source and a second dentifrice component containing a casein glycomacropeptide compound, wherein the components are physically separated before use and are combined immediately prior to application to the teeth, the dentifrice exhibiting enhanced enamel remineralization.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: December 29, 1998
    Assignee: Colgate-Palmolive Company
    Inventors: Yun Po Zhang, Abdul Gaffar
  • Storage stable dentifrice composition containing an antibacterial casein glycomacropeptide adjuvant
    Patent number: 5741773
    Abstract: Stable oral compositions containing an antibacterial casein glycomacropeptide, an anionic surfactant, and a hydrolyzed protein stabilizer, which stabilizes the casein glycomacropeptide in the presence of the anionic surfactant against inactivation without substantially reducing its antibacterial properties.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: April 21, 1998
    Assignee: Colgate Palmolive Company
    Inventors: Yun Po Zhang, Abdul Gaffar