Granted Patent
Utility
US 5,492,687 · App. 08/237,502
Compositions of iodophenoxy alkylene ethers and pharmaceutically acceptable clays for visualization of the gastrointestinal tract
Inventors:
Stephen B. Ruddy, Gregory L. McIntire, Mary E. Roberts, Edward R. Bacon
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: May 3, 1994
Inventors
Stephen B. Ruddy
Gregory L. McIntire
Mary E. Roberts
Edward R. Bacon
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.