Granted Patent
Utility
US 4,629,808 · App. 06/746,768
Process for hydrolyzing nitriles
Inventor:
K. Pushpananda A. Senaratne
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Jun 20, 1985
Inventor
K. Pushpananda A. Senaratne
Assignee (at issue)
Ethyl Corporation
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.