Granted Patent
Utility
US 5,750,766 · App. 08/820,277
Process for the preparation of arylmalonates
Inventors:
Guenter Krummel, Marcus Knell
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Mar 18, 1997
Inventors
Guenter Krummel
Marcus Knell
Assignee (at issue)
American Cyanamid Company
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.