Granted Patent
Utility
US 5,968,872 · App. 08/802,465
Foam control agents for silicone surfactants in agriculture
Inventors:
George A. Policello, Gerald J. Murphy
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Feb 20, 1997
Inventors
George A. Policello
Gerald J. Murphy
Assignee (at issue)
Witco Corporation
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.