Granted Patent
Utility
US 5,601,707 · App. 08/501,536
Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
Inventors:
Dale L. Clay, Robert W. Allington, Daniel G. Jameson, Robin R. Winter
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Jul 12, 1995
Inventors
Dale L. Clay
Robert W. Allington
Daniel G. Jameson
Robin R. Winter
Assignee (at issue)
Isco, 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.