Granted Patent
Utility
US 4,262,143 · App. 06/012,639
Preparation of hydroperoxides
Inventor:
Mitchell Becker
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Feb 16, 1979
Inventor
Mitchell Becker
Assignee (at issue)
Halcon International, 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.