Patents by Inventor David Buongiovanni

David Buongiovanni 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
  • 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
  • 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