Granted Patent
Utility
US 5,531,979 · App. 08/247,438
Compositions of iodophenoxy alkanes and iodophenyl ethers and pharmaceutically acceptable clays for visualization of the gastrointestinal tract
Inventors:
Stephen B. Ruddy, Mary E. Roberts, Gregory L. McIntire, Eugene R. Cooper, Edward R. Bacon
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: May 23, 1994
Inventors
Stephen B. Ruddy
Mary E. Roberts
Gregory L. McIntire
Eugene R. Cooper
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.