Patents by Inventor Junjian Ling

Junjian Ling 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).

  • Composition and process for indicating the presence of soluble fluoride ion in oral care compositions and method of making the same
    Patent number: 6960475
    Abstract: Disclosed is a process for indicating the presence of soluble fluoride ions in oral care compositions comprising making a signal solution and then bringing the signal solution into contact with an oral care composition and a color change occurs if an effective amount of soluble fluoride ion is present in the oral care composition. Further disclosed are test compositions for use in such process.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: November 1, 2005
    Assignee: The Procter & Gamble Company
    Inventors: Junjian Ling, Hai Ye, Christopher David Buckley
  • Composition and process for indicating the presence of soluble fluoride ion in oral care compositions and method of making the same
    Publication number: 20030031633
    Abstract: Disclosed is a process for indicating the presence of soluble fluoride ions in oral care compositions comprising making a signal solution and then bringing the signal solution into contact with an oral care composition and a color change occurs if an effective amount of soluble fluoride ion is present in the oral care composition. Further disclosed are test compositions for use in such process.
    Type: Application
    Filed: July 3, 2002
    Publication date: February 13, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Junjian Ling, Hai Ye, Christopher David Buckley