Granted Patent
Utility
US 5,925,589 · App. 08/684,205
Process for the manufacture of a support for olefin polymerization catalysts and process for the polymerization of olefins
Inventors:
Benoit Koch, Andre Rulmont, Fabienne Wijzen
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Jul 19, 1996
Inventors
Benoit Koch
Andre Rulmont
Fabienne Wijzen
Assignee (at issue)
SOLVAY (Société 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.