Patents by Inventor Dorathy ZENG

Dorathy ZENG 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).

  • Patent number: 10071032
    Abstract: Compositions and methods of treating and/or preventing conditions of the oral cavity, e.g. gingivitis, comprise applying a toothpaste composition comprising at least 5% sodium chloride in a toothpaste base comprising a zinc salt, non-silica calcium carbonate abrasive and humectant, to the oral surfaces, e.g., the teeth and gums, of a patient in need thereof.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: September 11, 2018
    Assignee: Colgate-Palmolive Company
    Inventors: Yun Xu, Dorathy Zeng, Kahn Tan, Pingdong Li
  • Publication number: 20170319449
    Abstract: Compositions and methods of treating and/or preventing conditions of the oral cavity, e.g. gingivitis, comprise applying a toothpaste composition comprising at least 5% sodium chloride in a toothpaste base comprising a zinc salt, non-silica calcium carbonate abrasive and humectant, to the oral surfaces, e.g., the teeth and gums, of a patient in need thereof.
    Type: Application
    Filed: December 15, 2014
    Publication date: November 9, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Yun XU, Dorathy ZENG, Kahn TAN, Pingdong LI