Granted Patent
Utility
US 4,613,673 · App. 06/535,017
Catalysts preparation thereof and preparation of N-substituted acrylamides therewith
Inventors:
Edward E. McEntire, Kathy B. Sellstrom
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Sep 23, 1983
Inventors
Edward E. McEntire
Kathy B. Sellstrom
Assignee (at issue)
Texaco 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.