Granted Patent
Utility
US 5,834,572 · App. 08/553,330
Process for the preparation of a support for catalysts, catalyst for the polymerization of olefins and process for the polymerization of olefins by means of this catalyst
Inventors:
Helmut Derleth, Benoit Koch, Andre Rulmont, Fabienne Wijzen
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Feb 2, 1996
Inventors
Helmut Derleth
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.