Patents by Inventor Xiao Q. Tian

Xiao Q. Tian 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).

  • Compositions comprising vitamin D precursors and the use thereof
    Patent number: 5422099
    Abstract: Methods for enhancing the ability of an individual, exposed to sunlight, to produce vitamin D via the skin. Pharmaceutical compositions comprising lumisterol and/or tachysterol are also disclosed.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: June 6, 1995
    Assignee: Trustees of Boston University
    Inventors: Michael F. Holick, Zhiren Lu, Xiao Q. Tian
  • Compositions comprising tachysteral and the use thereof to provide vitamin D
    Patent number: 5167953
    Abstract: Methods for providing vitamin D to an individual with compositions comprising tachysterol and derivatives thereof are disclosed. Also disclosed are pharmaceutical compositions comprising tachysterol which may be administered topically or by intravenous means.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: December 1, 1992
    Assignee: Trustees of Boston University
    Inventors: Michael F. Holick, Zhiren Lu, Xiao Q. Tian