Granted Patent
Utility
US 5,169,536 · App. 07/874,942
Detoxification agents for surfactant based biocides
Inventors:
Stephen R. Vasconcellos, Larry A. Lyons, Michael F. Mohn
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Apr 28, 1992
Inventors
Stephen R. Vasconcellos
Larry A. Lyons
Michael F. Mohn
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.