Granted Patent
Utility
US 5,228,962 · App. 07/649,776
Separation/recovery of ammonium salts via electrodialytic water splitting
Inventors:
Krishnamurthy N. Mani, Frederick P. Chlanda, Yu-Chih Chiao
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Feb 1, 1991
Inventors
Krishnamurthy N. Mani
Frederick P. Chlanda
Yu-Chih Chiao
Assignee (at issue)
AlliedSignal, 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.