Granted Patent
Utility
US 4,550,188 · App. 06/625,060
Preparation of carbamates
Inventors:
Floro F. Frulla, Fred A. Stuber, Peter J. Whitman
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Jun 27, 1984
Inventors
Floro F. Frulla
Fred A. Stuber
Peter J. Whitman
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.