Granted Patent
Utility
US 6,242,509 · App. 09/292,486
Gels including bioactive components
Inventors:
Vivian Berger, Jochen Heydel, Virgil A. G. Williams, Charles R. Frihart, Ronald L. Gordon, Richard C. MacQueen, Mark S. Pavlin
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Apr 15, 1999
Inventors
Vivian Berger
Jochen Heydel
Virgil A. G. Williams
Charles R. Frihart
Ronald L. Gordon
Richard C. MacQueen
Mark S. Pavlin
Assignees (at issue)
INTERNATIONAL PAPER COMPANY
Bush, Boake Allen Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.