Granted Patent
Utility
US 5,332,505 · App. 07/955,569
Method for inhibiting silica and silicate deposition
Inventors:
William S. Carey, Andrew Solov, Libardo A. Perez
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Oct 2, 1992
Inventors
William S. Carey
Andrew Solov
Libardo A. Perez
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.