Granted Patent
Utility
US 6,294,088 · App. 09/713,895
Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
Inventors:
Robert W. Allington, Henry L. Walters, Daniel G. Jameson, Yoossef Tehrani
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Nov 16, 2000
Inventors
Robert W. Allington
Henry L. Walters
Daniel G. Jameson
Yoossef Tehrani
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.