Granted Patent
Utility
US 4,529,822 · App. 06/543,552
Process for the preparation of formamide compounds
Inventors:
Roger G. Duranleau, Clifford L. Lambert, Jr.
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Oct 19, 1983
Inventors
Roger G. Duranleau
Clifford L. Lambert, 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.