Granted Patent
Utility
US 4,386,101 · App. 06/319,865
Unsymmetrical bis-carbamates and their use for combating pests
Inventors:
Jozef Drabek, Manfred Boger
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Nov 9, 1981
Inventors
Jozef Drabek
Manfred Boger
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.