Patents by Inventor Vincent Lau Chan

Vincent Lau Chan 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).

  • Transdermal levonorgestrel device and delivery
    Patent number: 8784877
    Abstract: Described are transdermal drug delivery systems for the transdermal administration of levonorgestrel, comprising a polymer matrix and levonorgestrel acetate. Methods of making and using such systems also are described.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: July 22, 2014
    Assignee: Noven Pharmaceuticals, Inc.
    Inventors: David W. Houze, Vincent Lau Chan
  • TRANSDERMAL LEVONORGESTREL DEVICE AND DELIVERY
    Publication number: 20120189686
    Abstract: Described are transdermal drug delivery systems for the transdermal administration of levonorgestrel, comprising a polymer matrix and levonorgestrel acetate. Methods of making and using such systems also are described.
    Type: Application
    Filed: December 27, 2011
    Publication date: July 26, 2012
    Inventors: David W. Houze, Vincent Lau Chan