Granted Patent
Utility
US 5,349,103 · App. 08/184,617
Preparation of aromatic nitriles
Inventor:
Bilge Gulec
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Jan 21, 1994
Inventor
Bilge Gulec
Assignee (at issue)
Ciba-Geigy
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.