Granted Patent
Utility
US 6,489,409 · App. 09/753,670
Process for manufacturing olefin polymers
Inventors:
Daniel Marissal, Brent R. Walworth
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jan 4, 2001
Inventors
Daniel Marissal
Brent R. Walworth
Assignee (at issue)
Solvay Polyolefins Europe-Belgium (Societe Anonyme)
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.