Granted Patent
Utility
US 4,483,997 · App. 06/462,250
Olefin epoxidation with inorganic metal phosphate enhanced catalyst
Inventors:
Edward E. McEntire, Robert M. Gipson
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Jan 31, 1983
Inventors
Edward E. McEntire
Robert M. Gipson
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.