Granted Patent
Utility
US 4,873,337 · App. 07/081,583
N-substituted derivatives of 2-(pyridylalkenesulfinyl) benzimidazoles as gastric antisecretory agents
Inventors:
John C. Sih, Moo J. Cho
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Aug 3, 1987
Inventors
John C. Sih
Moo J. Cho
Assignee (at issue)
The Upjohn Co.
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.