Granted Patent
Utility
US 5,112,813 · App. 07/164,551
Process for the preparation of a viscosity-stable antacid composition
Inventors:
Joseph R. Luber, Kenneth M. Feld, Richard J. Harwood, Wayne M. Grim
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Mar 7, 1988
Inventors
Joseph R. Luber
Kenneth M. Feld
Richard J. Harwood
Wayne M. Grim
Assignee (at issue)
Rhone-Poulenc Rorer Pharmaceuticals 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.