Granted Patent
Utility
US 5,594,084 · App. 08/569,623
Alkyl-allylphosphonate copolymer used for boiler water treatment
Inventors:
Scott M. Boyette, Alan E. Goliaszewski
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Dec 8, 1995
Inventors
Scott M. Boyette
Alan E. Goliaszewski
Assignee (at issue)
Betzdearborn, 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.