Patents by Inventor Xuekun Lv

Xuekun Lv 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 comprising oxidation dye precursors and anionic polymers
    Patent number: 10300007
    Abstract: The present invention relates to a composition for dyeing keratin fibers, comprising a) at least one oxidation dye precursor, b) at least one anionic associative polymer i), c) at least one anionic non associative polymer ii), and d) at least one anionic surfactant. The composition optionally contains alkaline agent.
    Type: Grant
    Filed: December 25, 2012
    Date of Patent: May 28, 2019
    Assignee: L'Oreal
    Inventors: Yu Hao, Xuekun Lv
  • COMPOSITION COMPRISING OXIDATION DYE PRECURSORS AND ANIONIC POLYMERS
    Publication number: 20150328128
    Abstract: The present invention relates to a composition for dyeing keratin fibers, comprising a) at least one oxidation dye precursor, b) at least one anionic associative polymer i), c) at least one anionic non associative polymer ii), and d) at least one anionic surfactant. The composition optionally contains alkaline agent.
    Type: Application
    Filed: December 25, 2012
    Publication date: November 19, 2015
    Applicant: L'ORÉAL
    Inventors: Yu Hao, Xuekun Lv