Granted Patent
Utility
US 4,868,314 · App. 07/181,435
4-benzyloxy-3-pyrrolin-2-on-1-yl acetamide production
Inventor:
Thomas Meul
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Apr 14, 1988
Inventor
Thomas Meul
Assignee (at issue)
LONZA LTD
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.