Granted Patent
Utility
US 5,807,572 · App. 08/473,019
Multivesicular liposomes having a biologically active substance encapsulated therein in the presence of a hydrochloride
Inventors:
Sinil Kim, Stephen B. Howell
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Jun 6, 1995
Inventors
Sinil Kim
Stephen B. Howell
Assignee (at issue)
DepoTech 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.