Granted Patent
Utility
US 6,086,767 · App. 08/879,395
Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
Inventors:
Henry L. Walters, Robert W. Allington, Daniel G. Jameson, Yoossef Tehrani
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Jun 20, 1997
Inventors
Henry L. Walters
Robert W. Allington
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.