Granted Patent
Utility
US 4,675,410 · App. 06/848,891
Process for the production of pyridine or alkyl substituted pyridines
Inventors:
David Feitler, Wolfgang Schimming, Henry Wetstein
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Mar 21, 1986
Inventors
David Feitler
Wolfgang Schimming
Henry Wetstein
Assignee (at issue)
Nepera, Inc.
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.