Granted Patent
Utility
US 4,753,736 · App. 07/020,791
Method for regeneration of cation-exchange condensate polishers
Inventor:
David W. Reichgott
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Mar 2, 1987
Inventor
David W. Reichgott
Assignee (at issue)
Betz Laboratories, 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.