Granted Patent
Utility
US 5,320,840 · App. 07/734,225
Continuous release pharmaceutical compositions
Inventors:
Roger Camble, David Timms, Anthony J. Wilkinson
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Jul 22, 1991
Inventors
Roger Camble
David Timms
Anthony J. Wilkinson
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.