The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 2004
Filed:
Jun. 11, 2002
Shahram Mihan, Ludwigshafen, DE;
Dieter Lilge, Limburgerhof, DE;
Paulus de Lange, Limburgerhof, DE;
Günther Schweier, Friedelsheim, DE;
Martin Schneider, Ludwigshafen, DE;
Ursula Rief, Heddesheim, DE;
Udo Handrich, Hassloch, DE;
Johannes Hack, Grünstadt, DE;
Markus Enders, Heidelberg, DE;
Gunter Ludwig, Steinsfurt, DE;
Ralph Rudolph, Mannheim, DE;
Basell Polyolefine GmbH, Wesseling, DE;
Abstract
Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp -hybridized carbon or silicon atoms, and a process for the polymerization of olefins.