Granted Patent
Utility
US 5,276,244 · App. 08/039,663
Separation of aluminum alkyls from olefins using modified inorganic membranes
Inventors:
Kaung-Far Lin, William B. Waites
Patented Case
View Patent ↗
Granted: Jan 4, 1994
Filed: Mar 30, 1993
Inventors
Kaung-Far Lin
William B. Waites
Assignee (at issue)
Ethyl 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.