Granted Patent
Utility
US 4,683,088 · App. 06/908,211
Nickel/alumina/silicate catalyst, its preparation and use
Inventors:
Johannes C. Oudejans, Peter Nootenboom, Keshab L. Ganguli, Cornelis Martinus Lok
Patented Case
View Patent ↗
Granted: Jul 28, 1987
Filed: Sep 17, 1986
Inventors
Johannes C. Oudejans
Peter Nootenboom
Keshab L. Ganguli
Cornelis Martinus Lok
Assignee (at issue)
Internationale Otrool Maatschappij Octropa B.V.
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.