Granted Patent
Utility
US 5,043,480 · App. 07/568,150
Difunctional products from ethylene oxide and synthesis gas
Inventor:
William A. Beavers
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Aug 16, 1990
Inventor
William A. Beavers
Assignee (at issue)
EASTMAN KODAK 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.