Granted Patent
Utility
US 4,342,705 · App. 06/238,891
Methylene thioethers
Inventors:
Otto W. Maender, Eiichi Morita
Patented Case
View Patent ↗
Granted: Aug 3, 1982
Filed: Dec 1, 1980
Inventors
Otto W. Maender
Eiichi Morita
Assignee (at issue)
Monsanto Company
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.