Granted Patent
Utility
US 5,117,046 · App. 05/591,919
Preparation of alkylidene diesters
Inventors:
Frank E. Paulik, Robert G. Schultz
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Jun 30, 1975
Inventors
Frank E. Paulik
Robert G. Schultz
Assignee (at issue)
Monsanto 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.