Granted Patent
Utility
US 4,368,105 · App. 06/226,732
Electrolytic solution for Karl Fischer coulometric titration
Inventors:
Kaname Muroi, Hiroko Fujino
Patented Case
View Patent ↗
Granted: Jan 11, 1983
Filed: Jan 21, 1981
Inventors
Kaname Muroi
Hiroko Fujino
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.