Granted Patent
Utility
US 6,353,071 · App. 09/489,728
Processes to produce organo-aluminoxane compositions
Inventors:
Syriac J. Palackal, M. Bruce Welch, Rolf L. Geerts
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Jan 21, 2000
Inventors
Syriac J. Palackal
M. Bruce Welch
Rolf L. Geerts
Assignee (at issue)
Phillips Petroleum 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.