Patents by Inventor Xingguo Cheng

Xingguo Cheng 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).

  • COATING FOR MEDICAL IMPLANTS
    Publication number: 20110217351
    Abstract: A medical implant for drug delivery comprising an inner layer of polymer material including a drug dispersed therein and an outer layer which may then mediate the release of the drug in a controllable manner. The outer layer may adhere and/or penetrate the underlying layer and offer a protective coating along with improved mechanical strength along with the ability to hydrate and become permeable to water and allow for drug release.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 8, 2011
    Applicant: SOUTHWEST RESEARCH INSTITUTE
    Inventors: Xingguo CHENG, Nitin NITIN, Jorge G. ROSSINI, Stephen T. WELLINGHOFF
  • ALIGNED COLLAGEN AND METHOD THEREFOR
    Publication number: 20100311949
    Abstract: Compositions and methods of preparing a graft construct comprising aligned collagen fibrils, wherein the construct is anisotropic, are described. The construct is prepared by application of an electrochemical field and a pH gradient to solutions containing collagen. In accordance with this method, collagen aligns at its isoelectric point to form anisotropic constructs.
    Type: Application
    Filed: November 26, 2008
    Publication date: December 9, 2010
    Applicant: PURDUE RESEARCH FOUNDATION
    Inventors: Ozan Akkus, Alyssa Panitch, Xingguo Cheng