Granted Patent
Utility
US 4,271,088 · App. 06/040,248
High selectivity cyanoalkylation process
Inventors:
Walter A. Butte, Jr., Wesley Robert Cherry, Jr.
Patented Case
View Patent ↗
Granted: Jun 2, 1981
Filed: May 18, 1979
Inventors
Walter A. Butte, Jr.
Wesley Robert Cherry, Jr.
Assignee (at issue)
SUNTEC CO., LTD.
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.