Granted Patent
Utility
US 4,561,876 · App. 06/271,899
Haloalkylcarbonylamino-1,3-dioxane herbicide antidotes
Inventor:
Francis H. Walker
Patented Case
View Patent ↗
Granted: Dec 31, 1985
Filed: Jun 16, 1981
Inventor
Francis H. Walker
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.