Granted Patent
Utility
US 4,789,757 · App. 07/074,751
N-formylation of amino carboxylic compounds with formamide
Inventor:
Charles G. Carter
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Jul 17, 1987
Inventor
Charles G. Carter
Assignee (at issue)
W.R. Grace & Co. Conn.
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.