Granted Patent
Utility
US 4,911,941 · App. 07/229,380
Method for decaffeinating coffee with a supercritical fluid
Inventors:
Saul N. Katz, Jean E. Spence, Michael J. O'Brien, Ronald H. Skiff, Gerald Vogel, Ravi Prasad
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Aug 5, 1988
Inventors
Saul N. Katz
Jean E. Spence
Michael J. O'Brien
Ronald H. Skiff
Gerald Vogel
Ravi Prasad
Assignee (at issue)
General Foods Limited
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.