Granted Patent
Utility
US 5,286,868 · App. 07/877,286
Process for the preparation of substituted and unsubstituted-2,3-pyridinedicarboxylates from chloromaleate or chlorofumurate or mixtures thereof
Inventors:
Albert A. Cevasco, George Anello Chiarello, William F. Rieker
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: May 1, 1992
Inventors
Albert A. Cevasco
George Anello Chiarello
William F. Rieker
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.