Granted Patent
Utility
US 4,234,748 · App. 06/052,891
Process for the hydration of olefins employing slurried catalyst
Inventors:
Orville D. Frampton, William R. Birchall
Patented Case
View Patent ↗
Granted: Nov 18, 1980
Filed: Jun 28, 1979
Inventors
Orville D. Frampton
William R. Birchall
Assignee (at issue)
National Distillers and Chemical 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.