Patents by Inventor Congwei FEI

Congwei FEI 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).

  • Hair care composition
    Patent number: 11638685
    Abstract: A hair care composition is disclosed comprising a copolymer, an ethoxylated alkyl sulfate anionic surfactant having a formula RO(CH2CH2O)nSO3M, wherein R is an alkyl or alkenyl having from 8 to 18 carbon atoms; M is a solubilising cation comprising sodium, potassium, ammonium or mixtures thereof; the degree of ethoxylation n is 2, and from 0.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: May 2, 2023
    Assignee: CONOPCO, INC.
    Inventors: Congwei Fei, Yingying Pi, Raghupathi Subramanian
  • HAIR CARE COMPOSITION
    Publication number: 20200289397
    Abstract: A hair care composition is disclosed comprising a copolymer, an ethoxylated alkyl sulfate anionic surfactant having a formula RO(CH2CH2O)nSO3M, wherein R is an alkyl or alkenyl having from 8 to 18 carbon atoms; M is a solubilising cation comprising sodium, potassium, ammonium or mixtures thereof; the degree of ethoxylation n is 2, and from 0.
    Type: Application
    Filed: November 14, 2018
    Publication date: September 17, 2020
    Inventors: Congwei FEI, Yingying PI, Raghupathi SUBRAMANIAN