Granted Patent
Utility
US 4,657,984 · App. 06/787,861
Process for formation of dialkylaminomethylated internal olefin polymers
Inventors:
Edward E. McEntire, John F. Knifton
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Oct 16, 1985
Inventors
Edward E. McEntire
John F. Knifton
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.