Granted Patent
Utility
US 6,824,822 · App. 09/942,631
Residual solvent extraction method and microparticles produced thereby
Inventors:
Michael E. Rickey, J. Michael Ramstack, Rajesh Kumar
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Aug 31, 2001
Inventors
Michael E. Rickey
J. Michael Ramstack
Rajesh Kumar
Assignee (at issue)
Alkermes Controlled Therapeutics, 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.