Granted Patent
Utility
US 4,584,413 · App. 06/531,979
Purification of tertiary butyl hydroperoxide containing primary and secondary alkyl hydroperoxide contaminants
Inventors:
William B. Thornton, Alfred E. Borchert
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Sep 14, 1983
Inventors
William B. Thornton
Alfred E. Borchert
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.