Granted Patent
Utility
US 5,464,850 · App. 08/245,303
Synergistic preservative systems for chemistry reagents
Inventors:
Liann Voo, Dennis C. Tagliaferro, Joan B. Wilson
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: May 17, 1994
Inventors
Liann Voo
Dennis C. Tagliaferro
Joan B. Wilson
Assignee (at issue)
Ciba Corning Diagnostics 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.