Granted Patent
Utility
US 5,162,084 · App. 07/773,387
Process for monitoring and controlling an alkanolamine reaction process
Inventors:
Arthur L. Cummings, Fred C. Veatch, Alfred E. Keller, James C. Thompsen, Regina A. Severson
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Oct 8, 1991
Inventors
Arthur L. Cummings
Fred C. Veatch
Alfred E. Keller
James C. Thompsen
Regina A. Severson
Assignee (at issue)
Conoco 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.