Granted Patent
Utility
US 4,864,051 · App. 07/239,726
Process for preparing 2-methoxyisobutylisonitrile
Inventor:
Kondareddiar Ramalingham
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Sep 2, 1988
Inventor
Kondareddiar Ramalingham
Assignee (at issue)
E.R. SQUIBB & SONS. INC.
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.