Granted Patent
Utility
US 6,063,290 · App. 09/237,160
Method for controlling scale using synergistic phosphonate blends
Inventors:
Brian K. Failon, Robert Gabriel
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Jan 25, 1999
Inventors
Brian K. Failon
Robert Gabriel
Assignee (at issue)
Albright & Wilson Americas 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.