Granted Patent
Utility
US 6,479,521 · App. 09/445,330
Use of 2-mercapto-pyridine-N-oxide
Inventors:
Otto Exner, Heinz-Joachim Rother, Martin Kugler, Hartmut Rehbein
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Dec 6, 1999
Inventors
Otto Exner
Heinz-Joachim Rother
Martin Kugler
Hartmut Rehbein
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.