Granted Patent
Utility
US 4,250,185 · App. 06/128,687
1-(3,5-Dichlorobenzoyl)-3-phenylpyrazolines and their use as mildewicides
Inventor:
Edmund J. Gaughan
Patented Case
View Patent ↗
Granted: Feb 10, 1981
Filed: Mar 10, 1980
Inventor
Edmund J. Gaughan
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.