Granted Patent
Utility
US 5,336,484 · App. 08/040,702
Compositions of iodophenyl esters and iodophenyl sulfonates in film-forming materials for visualization of the gastronintestinal tract
Inventors:
Edward R. Bacon, Sol J. Daum, Kimberly G. Estep, Kurt A. Josef, Brent Douty, Carl R. Illig
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Mar 31, 1993
Inventors
Edward R. Bacon
Sol J. Daum
Kimberly G. Estep
Kurt A. Josef
Brent Douty
Carl R. Illig
Assignee (at issue)
Sterling Winthrop 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.