Granted Patent
Utility
US 4,996,340 · App. 07/433,323
Intramolecular migration reactions
Inventor:
Joseph Miller
Patented Case
View Patent ↗
Granted: Feb 26, 1991
Filed: Nov 8, 1989
Inventor
Joseph Miller
Assignee (at issue)
Ethyl Corporation
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.