Granted Patent
Utility
US 4,617,405 · App. 06/654,811
Preparation of alpha, beta-unsaturated carbonyl compounds
Inventors:
Donald E. Kiely, Martin Seidman
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Sep 25, 1984
Inventors
Donald E. Kiely
Martin Seidman
Assignee (at issue)
A.E. Staley Manufacturing 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.