Granted Patent
Utility
US 5,262,176 · App. 07/694,636
Synthesis of polysaccharide covered superparamagnetic oxide colloids
Inventors:
Stephen Palmacci, Lee Josephson
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: May 2, 1991
Inventors
Stephen Palmacci
Lee Josephson
Assignee (at issue)
Advanced Magnetics, 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.