Granted Patent
Utility
US 4,957,726 · App. 07/337,086
Preparation of amine alanes and lithium aluminum tetrahydride
Inventors:
Everett M. Marlett, Arcelio J. Malcolm, Won S. Park
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Apr 12, 1989
Inventors
Everett M. Marlett
Arcelio J. Malcolm
Won S. Park
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.