Granted Patent
Utility
US 5,243,083 · App. 07/918,107
Thermosyphonic reaction of oxygen with isobutane and reactor
Inventors:
Roderick S. Cowley, Darrell D. Kinzler
Patented Case
View Patent ↗
Granted: Sep 7, 1993
Filed: Jul 24, 1902
Inventors
Roderick S. Cowley
Darrell D. Kinzler
Assignee (at issue)
Texaco Chemical 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.