Granted Patent
Utility
US 4,555,405 · App. 06/509,498
Carbamic acid esters useful as pesticides
Inventors:
Manfred Boger, Jozef Drabek
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Jun 30, 1983
Inventors
Manfred Boger
Jozef Drabek
Assignee (at issue)
Ciba-Geigy
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.