Granted Patent
Utility
US 4,451,672 · App. 06/462,253
Preparation of ketones from 1,2-epoxides
Inventor:
Roger A. Grey
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Jan 31, 1983
Inventor
Roger A. Grey
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.