Granted Patent
Utility
US 5,886,229 · App. 08/087,580
Method of synthesis of alkali metal trisubstituted borohydride reagents
Inventors:
Joseph A. Corella, II, David H. Ellenberger, Joerg Bruening
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: May 29, 1998
Inventors
Joseph A. Corella, II
David H. Ellenberger
Joerg Bruening
Assignee (at issue)
Mine Safety Appliances Company, LLC
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.