Granted Patent
Utility
US 4,551,472 · App. 06/569,202
Unsymmetrical bis-carbamate compounds
Inventor:
Themistocles D. J. D'Silva
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Jan 9, 1984
Inventor
Themistocles D. J. D'Silva
Assignee (at issue)
Union Carbide Corporation
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.