Granted Patent
Utility
US 4,263,448 · App. 06/025,505
Process for oxidation of hydrocarbons
Inventor:
James Leacock
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Mar 30, 1979
Inventor
James Leacock
Assignee (at issue)
Halcon Research and Development Corp.
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.