Granted Patent
Utility
US 5,481,063 · App. 07/776,403
Treatment of process gases containing halogenous compounds
Inventors:
Matti Hiltunen, Harry Lampenius, Kurt Westerlund
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Nov 22, 1991
Inventors
Matti Hiltunen
Harry Lampenius
Kurt Westerlund
Assignee (at issue)
A. Ahlstrom 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.