Granted Patent
Utility
US 6,398,463 · App. 09/767,139
Process for introducing a solid catalyst into a fluidized or agitated vessel
Inventor:
Frederic R. M. M. Morterol
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Jan 23, 2001
Inventor
Frederic R. M. M. Morterol
Assignee (at issue)
BP Chemicals Limited
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.