Granted Patent
Utility
US 5,605,989 · App. 08/460,202
Process for the polymerisation of olefins in the presence of an activated catalyst
Inventor:
Beno it Koch
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Jun 2, 1995
Inventor
Beno it Koch
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.