Granted Patent
Utility
US 4,436,673 · App. 06/199,793
Fluid bed process for preparing phenylphosphonous dichloride
Inventor:
Adam E. Skrzec
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: Oct 23, 1980
Inventor
Adam E. Skrzec
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.