Granted Patent
Utility
US 6,777,579 · App. 10/294,320
Hydroformylation process
Inventors:
Peter Arnoldy, Robert Hardy Ellison, Herman Pieter Charles Eduard Kuipers, Robert Moene, Frederik Hendrik Van Der Steen
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Nov 14, 2002
Inventors
Peter Arnoldy
Robert Hardy Ellison
Herman Pieter Charles Eduard Kuipers
Robert Moene
Frederik Hendrik Van Der Steen
Assignee (at issue)
SHELL OIL COMPANY
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.