Patents by Inventor Doug Perschbacher

Doug Perschbacher 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).

  • Anti-infectious hydrogel compositions
    Publication number: 20060198814
    Abstract: The present invention provides a hydrogel composition capable of preventing the intrusion of micro-organisms into body cavities or body openings of mammals comprising of a poly(N-vinyl lactam), a polysaccharide and water.
    Type: Application
    Filed: May 2, 2006
    Publication date: September 7, 2006
    Inventors: Rainer Gruening, Doug Perschbacher, Xin Qu, David Buongiovanni
  • Anti-infectious hydrogel compositions
    Publication number: 20050191270
    Abstract: The present invention provides a hydrogel composition capable of preventing the intrusion of micro-organisms into body cavities or body openings of mammals comprising of a poly(N-vinyl lactam), a polysaccharide and water.
    Type: Application
    Filed: February 27, 2004
    Publication date: September 1, 2005
    Inventors: Rainer Gruening, Doug Perschbacher, Xin Qu, David Buongiovanni