Granted Patent
Utility
US 5,683,826 · App. 08/605,240
Organic/inorganic gels for delivering controlled quantities of active compounds in aqueous solutions
Inventors:
Olivier Poncelet, Danielle M. Wettling, Jeannine Rigola
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Feb 9, 1996
Inventors
Olivier Poncelet
Danielle M. Wettling
Jeannine Rigola
Assignee (at issue)
EASTMAN KODAK COMPANY
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.