Granted Patent
Utility
US 5,189,199 · App. 07/839,747
Process for the preparation of 1,4-disubstituted 2-butenes
Inventor:
Stephen A. Godleski
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: Feb 20, 1992
Inventor
Stephen A. Godleski
Assignee (at issue)
EASTMAN KODAK 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.