Granted Patent
Utility
US 5,696,170 · App. 08/553,483
Chemical disinfectant based on phenolic active components and glutaraldehyde
Inventors:
Otto Exner, Manfred Hoffmann
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Nov 21, 1995
Inventors
Otto Exner
Manfred Hoffmann
Assignee (at issue)
Bayer Aktiengesellschaft
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.