Patents by Inventor Xi-Yun Yu

Xi-Yun 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).

  • Pharmaceutical compositions comprising active vitamin D compounds
    Publication number: 20070003614
    Abstract: Disclosed are pharmaceutical compositions comprising an active vitamin D compound in emulsion pre-concentrate formulations, as well as emulsions and sub-micron droplet emulsions produced therefrom. The compositions comprise a lipophilic phase component, one or more surfactants, and an active vitamin D compound. The compositions may optionally further comprise a hydrophilic phase component.
    Type: Application
    Filed: September 7, 2006
    Publication date: January 4, 2007
    Inventors: Andrew Chen, Jun Fan, Xi-Yun Yu, Martha Whitehouse
  • Pharmaceutical compositions comprising active vitamin D compounds
    Publication number: 20050026877
    Abstract: Disclosed are pharmaceutical compositions comprising an active vitamin D compound in emulsion pre-concentrate formulations, as well as emulsions and sub-micron droplet emulsions produced therefrom. The compositions comprise a lipophilic phase component, one or more surfactants, and an active vitamin D compound. The compositions may optionally further comprise a hydrophilic phase component.
    Type: Application
    Filed: May 10, 2004
    Publication date: February 3, 2005
    Inventors: Andrew Chen, Jun Fan, Xi-Yun Yu, Martha Whitehouse, Barbara Laidlaw, James Swarbrick
  • Pharmaceutical compositions comprising active vitamin D compounds
    Publication number: 20030191093
    Abstract: Disclosed are pharmaceutical compositions comprising an active vitamin D compound in emulsion pre-concentrate formulations, as well as emulsions and sub-micron droplet emulsions produced therefrom. The compositions comprise a lipophilic phase component, one or more surfactants, and an active vitamin D compound. The compositions may optionally further comprise a hydrophilic phase component.
    Type: Application
    Filed: December 3, 2002
    Publication date: October 9, 2003
    Applicant: Novacea, Inc.
    Inventors: Andrew X. Chen, Jun Fan, Xi-Yun Yu, Martha J. Whitehouse