Granted Patent
Utility
US 5,554,793 · App. 08/359,135
Catalytic reforming of alkyleneamines
Inventors:
George E. Hartwell, Robert G. Bowman, David C. Molzahn
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Dec 19, 1994
Inventors
George E. Hartwell
Robert G. Bowman
David C. Molzahn
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.