Granted Patent
Utility
US 5,152,912 · App. 07/689,997
Chlorine dioxide precursor containing compositions useful in disinfecting contact lenses
Inventors:
Anthony J. Dziabo, Hampar L. Karageozian, Paul S. Ripley
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Apr 23, 1991
Inventors
Anthony J. Dziabo
Hampar L. Karageozian
Paul S. Ripley
Assignee (at issue)
Allergan, 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.