Patents by Inventor Jingmiao MA

Jingmiao MA 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: 11819562
    Abstract: A dye kit comprising: (A) a dyeing composition (A) and (B) a pyrazolone composition (B) comprising a retarding combination of pyrazolone compound and a reducer.
    Type: Grant
    Filed: May 31, 2020
    Date of Patent: November 21, 2023
    Assignee: L'OREAL
    Inventors: Jingmiao Ma, Zhibing Liu, Yuehuang Jiang, Chi Yang
  • Publication number: 20220265537
    Abstract: A dye kit comprising: (A) a dyeing composition (A) and (B) a pyrazolone composition (B) comprising a retarding combination of pyrazolone compound and a reducer.
    Type: Application
    Filed: May 31, 2020
    Publication date: August 25, 2022
    Applicant: L'OREAL
    Inventors: Jingmiao MA, Zhibing LIU, Yuehuang JIANG, Chi YANG