Granted Patent
Utility
US 4,225,504 · App. 05/954,608
Monomeric N-methyleneaminoacetonitrile
Inventor:
E. Richard Young
Patented Case
View Patent ↗
Granted: Sep 30, 1980
Filed: Oct 25, 1978
Inventor
E. Richard Young
Assignee (at issue)
W. R. Grace & Co.
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.