Patents by Inventor Barbara P Chan

Barbara P 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).

  • Photochemically crosslinked collagen scaffolds and methods for their preparation
    Patent number: 7393437
    Abstract: A method for producing collagen-based scaffolds with improved characteristics, which broadens the usage of collagen in tissue engineering and the products so produced are described. The method comprises reconstitution of three-dimensional collagen matrices from collagen monomer solution and crosslinking the matrix with a light source in the presence of a photosensitizing reagent. The crosslinked products can be in any shape and form and used in the dry or wet state, for applications including but not limited to tissue engineering and controlled drug delivery.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: July 1, 2008
    Assignee: The University of Hong Kong
    Inventors: Barbara P Chan, Kwok Fai So