Granted Patent
Utility
US 6,162,942 · App. 09/367,752
Method for producing aromatic nitriles
Inventors:
Michael Harold Rock, Albrecht Marhold
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Aug 17, 1999
Inventors
Michael Harold Rock
Albrecht Marhold
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.