Patents by Inventor Loucheng ZHAO

Loucheng ZHAO 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).

  • Moisturizing cosmetic composition
    Patent number: 10799445
    Abstract: The invention relates to a moisturizing cosmetic composition comprising: (A) 30-99 wt % of birch sap, (B) 0.001-5 wt % of hydrolyzed sodium hyaluronate, and (C) optionally, ingredients commonly used in skincare cosmetics, wherein the moisturizing cosmetic composition of the invention does not comprise water typically added as a separate component.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: October 13, 2020
    Assignee: Yang Sheng Tang (Shanghai) Cosmetic R&D Co., Ltd.
    Inventors: Xin Jin, Shizhi Zhao, Loucheng Zhao
  • A MOISTURIZING COSMETIC COMPOSITION
    Publication number: 20200046631
    Abstract: The invention relates to a moisturizing cosmetic composition comprising: (A) 30-99 wt % of birch sap, (B) 0.001-5 wt % of hydrolyzed sodium hyaluronate, and (C) optionally, ingredients commonly used in skincare cosmetics, wherein the moisturizing cosmetic composition of the invention does not comprise water typically added as a separate component.
    Type: Application
    Filed: March 7, 2018
    Publication date: February 13, 2020
    Applicant: Yang Sheng Tang (Shanghai) Cosmetic R&D Co., Ltd.
    Inventors: Xin JIN, Shizhi ZHAO, Loucheng ZHAO