Granted Patent
Utility
US 6,149,835 · App. 09/268,891
Methods for treating regulated waters with low levels of oxidizing halogens and hydrogen peroxides
Inventor:
Geoffrey A. Brown
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Mar 16, 1999
Inventor
Geoffrey A. Brown
Assignee (at issue)
Great Lakes Chemical Corp.
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.