Granted Patent
Utility
US 4,975,203 · App. 07/360,834
Sodium borohydride/sodium aluminate
Inventors:
Michael M. Cook, Jeffrey A. Ulman
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Jun 2, 1989
Inventors
Michael M. Cook
Jeffrey A. Ulman
Assignee (at issue)
Morton International, 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.