Patents by Inventor Xiaoxia Yang

Xiaoxia Yang 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: 8398959
    Abstract: Described are compositions and methods for imparting a sunless tan with functionalized adjuvants and a tanning agent like dihydroxyacetone. The functionalized adjuvants are pyrrole and/or indole derivatives functionalized with a substituent comprising a carbonyl group.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: March 19, 2013
    Assignee: Conopco, Inc.
    Inventors: Xiaoxia Yang, Jun-Cheng Zhu
  • Publication number: 20120251469
    Abstract: A composition and method for imparting a sunless tan to skin is described. The composition and method make use of a sunless tanning agent like dihydroxyacetone in combination with an adjuvant which is a pyranone, furanone or a mixture thereof.
    Type: Application
    Filed: December 24, 2009
    Publication date: October 4, 2012
    Inventors: Joseph Oreste Carnali, Weimin Peng, Xiaoxia Yang
  • Publication number: 20120141393
    Abstract: Described are compositions and methods for imparting a sunless tan with functionalized adjuvants and a tanning agent like dihydroxyacetone. The functionalized adjuvants are pyrrole and/or indole derivatives functionalized with a substituent comprising a carbonyl group.
    Type: Application
    Filed: November 29, 2011
    Publication date: June 7, 2012
    Applicant: CONOPCO, INC., D/B/A UNILEVER
    Inventors: Xiaoxia Yang, Jun-Cheng Zhu
  • Publication number: 20110305651
    Abstract: Sunless tanning compositions with nucleophile functionalized sulfonic acids are described. The compositions are stable and result in excellent tanning results when sunless tanning agents like 1,3-dihydroxy-2-propanone are used.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 15, 2011
    Applicant: CONOPCO, INC. D/B/A UNILEVER
    Inventors: Joseph Oreste Carnali, Wei-min Peng, Qiang Qiu, Zhijian Yang, Xiaoxia Yang