Granted Patent
Utility
US 4,256,912 · App. 06/082,833
Removal of soluble tellurium or compounds thereof from a crude glycol ester solution
Inventors:
Alfred A. Wolsky, Richard B. Papp, James G. Victor
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Oct 9, 1979
Inventors
Alfred A. Wolsky
Richard B. Papp
James G. Victor
Assignee (at issue)
Atlantic Richfield 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.