Granted Patent
Utility
US 5,733,964 · App. 08/667,132
Surfactants for heterogeneous processes in liquid or supercritical CO.sub.2
Inventors:
Keith P. Johnston, Steven P. Wilkinson, Mark Leonard O'Neill, Lloyd M. Robeson, Simon Mawson, Richard Henry Bott, Carrington Duane Smith
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Jun 20, 1996
Inventors
Keith P. Johnston
Steven P. Wilkinson
Mark Leonard O'Neill
Lloyd M. Robeson
Simon Mawson
Richard Henry Bott
Carrington Duane Smith
Assignees (at issue)
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
Air Products and Chemicals, 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.