Granted Patent
Utility
US 5,637,778 · App. 08/287,451
Isopropyl alcohol and diispropyl ether production from crude by-product acetone in one step
Inventors:
Robert J. Taylor, Jr., Pei-Shing E. Dai, John F. Knifton, Bobby R. Martin
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Aug 8, 1994
Inventors
Robert J. Taylor, Jr.
Pei-Shing E. Dai
John F. Knifton
Bobby R. Martin
Assignee (at issue)
Texaco Chemical 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.