Patents by Inventor Doug J. Perschbacher

Doug J. 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).

  • Publication number: 20100151029
    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 16, 2010
    Publication date: June 17, 2010
    Inventors: Rainer Gruening, Doug J. Perschbacher, Xin Qu, David Buongiovanni