Granted Patent
Utility
US 4,675,441 · App. 06/836,938
Preparation of N-substituted acrylamides
Inventors:
Edward E. McEntire, Kathy B. Sellstrom
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Mar 6, 1986
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.