Granted Patent
Utility
US 4,130,576 · App. 05/862,208
Method for preparing isocyanates from halosilyl carbamates
Inventors:
Eddie Hedaya, Theodoropulos Spyros
Patented Case
View Patent ↗
Granted: Dec 19, 1978
Filed: Dec 19, 1977
Inventors
Eddie Hedaya
Theodoropulos Spyros
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.