Granted Patent
Utility
US 6,552,002 · App. 09/809,525
Sustained-release compositions for parenteral administration
Inventors:
William Steber, Sivaja Ranjan
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Mar 15, 2001
Inventors
William Steber
Sivaja Ranjan
Assignee (at issue)
American Cyanamid Company
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.