Granted Patent
Utility
US 5,505,885 · App. 08/084,373
Granulation of phosphorus pentasulfide with a predetermined reactivity
Inventors:
Jean M. Bacardi, Robert L. Camerer, Andrew M. Huey, Arthur R. Shirley, Jr.
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Jun 29, 1993
Inventors
Jean M. Bacardi
Robert L. Camerer
Andrew M. Huey
Arthur R. Shirley, Jr.
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.