Granted Patent
Utility
US 6,656,524 · App. 09/774,612
Continuous process for gas phase coating of polymerization catalyst
Inventors:
Daniel Durand, Estelle Meurice, Frederic R. M. M. Morterol
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Feb 1, 2001
Inventors
Daniel Durand
Estelle Meurice
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.