Granted Patent
Utility
US 5,367,082 · App. 08/011,767
Process for the preparation of 2-mercaptobenzothiazole
Inventors:
Manfred Bergfeld, Norbert Gutlein, Klaus Wohlfahrt, Eberhard Aust
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Feb 1, 1993
Inventors
Manfred Bergfeld
Norbert Gutlein
Klaus Wohlfahrt
Eberhard Aust
Assignee (at issue)
Akzo N.V.
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.