Granted Patent
Utility
US 4,389,237 · App. 06/304,539
Thiolcarbamate sulfoxides protected against dry soil deactivation
Inventors:
Gilbert G. Patchett, Reed A. Gray, Daniel L. Hyzak
Patented Case
View Patent ↗
Granted: Jun 21, 1983
Filed: Sep 23, 1981
Inventors
Gilbert G. Patchett
Reed A. Gray
Daniel L. Hyzak
Assignee (at issue)
Stauffer Chemical 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.