Granted Patent
Utility
US 5,858,788 · App. 08/364,422
Reagent for determining the ionic strength and/or the specific weight of aqueous liquids, and method
Inventor:
Klaus Habenstein
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Dec 27, 1994
Inventor
Klaus Habenstein
Assignee (at issue)
Behring Diagnostics GmbH
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.