Granted Patent
Utility
US 5,314,697 · App. 07/965,470
Stable extended release oral dosage composition comprising loratadine and pseudoephedrine
Inventors:
Henry K.H. Kwan, Stephen M. Liebowitz
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Oct 23, 1992
Inventors
Henry K.H. Kwan
Stephen M. Liebowitz
Assignee (at issue)
SCHERING CORPORATION
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.