Granted Patent
Utility
US 6,448,412 · App. 09/702,144
Methods for the preparation and characterization of multi-substituted fullerenes
Inventors:
Randall B. Murphy, Stephen R. Wilson, Quing Lu
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Oct 30, 2000
Inventors
Randall B. Murphy
Stephen R. Wilson
Quing Lu
Assignee (at issue)
Sphere Biosystems, 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.