Granted Patent
Utility
US 4,328,247 · App. 06/185,078
Phenoxyphenylisothioureas, production thereof and use thereof in pest control, and phenoxyphenylthioureas as intermediates for the production of the phenoxyphenylisothioureas and use thereof in pest control
Inventors:
Jozef Drabek, Manfred Boger
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Sep 8, 1980
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.