Granted Patent
Utility
US 5,484,585 · App. 08/239,090
Compositions of iodobenzoic acid derivatives and pharmaceutically acceptable clays for visualization of the gastrointestinal tract
Inventors:
Stephen B. Ruddy, Gregory L. McIntire, Mary E. Roberts, Brent Douty, Eugene R. Cooper
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: May 5, 1994
Inventors
Stephen B. Ruddy
Gregory L. McIntire
Mary E. Roberts
Brent Douty
Eugene R. Cooper
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.