Patents by Inventor Wei H. Yu

Wei H. Yu 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).

  • Publication number: 20120148513
    Abstract: The present invention provides personal care dissolvable films, comprising water soluble cellulose ether and a sunscreen agent.
    Type: Application
    Filed: June 29, 2010
    Publication date: June 14, 2012
    Applicant: DOW GLOBAL TECHNOLOGIES INC.
    Inventors: Robert B. Fletcher, Wei H. Yu, Tatiana V. Drovetskaya
  • Publication number: 20100260687
    Abstract: Personal care compositions comprising a high solid aqueous polyurethane dispersion, substantially free of organic solvent and tertiary amines, are described.
    Type: Application
    Filed: September 23, 2008
    Publication date: October 14, 2010
    Inventors: Wei H. Yu, Susan L. Jordan, Wing K. Li, Debkumar Bhattacharjee
  • Patent number: 6358498
    Abstract: A new personal care product in the form of a free-standing stick comprises an inner core with cosmetic ingredients and an solid outer shell adhering to the inner core, in which the outer shell is wax-free and contains at least solid proteins, liquid polyols or solutions of polyols, solid polyols, emollients and additional cosmetic auxiliary materials and active ingredients. The outer surface does not transfer pigment through brief contact with the skin and is also not sticky.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: March 19, 2002
    Assignee: Coty B.V.
    Inventors: Wei H. Yu, Rupali A. Kulkarni, Ralph Macchio, Salvatore J. Barone, Antonietta Corrigan