Granted Patent
Utility
US 4,287,364 · App. 06/190,531
Molybdenum catalyst for aniline-formaldehyde condensation
Inventors:
Edward T. Marquis, Robert M. Gipson, Lewis W. Watts, Jr.
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Sep 24, 1980
Inventors
Edward T. Marquis
Robert M. Gipson
Lewis W. Watts, Jr.
Assignee (at issue)
Texaco 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.