Granted Patent
Utility
US 4,487,974 · App. 06/469,183
Oxidation of cyclohexylbenzene to 1-phenyl cyclohexylhydroperoxide
Inventor:
John R. Sanderson
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Feb 24, 1983
Inventor
John R. Sanderson
Assignee (at issue)
Texaco Inc.
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.