Granted Patent
Utility
US 5,403,593 · App. 07/860,920
Melt granulated compositions for preparing sustained release dosage forms
Inventor:
Alan Edward Royce
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Mar 31, 1992
Inventor
Alan Edward Royce
Assignee (at issue)
Sandoz AG
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.