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:
Mar. 02, 2010
Filed:
May. 04, 2005
Valerie Garcia, Margny-les-Compiègne, FR;
Patrik Müller, Frankfurt, DE;
Christian Sidot, Compiègne, FR;
Christian Tellier, Compiègne, FR;
Ludovic Delancray, Cuise-la-Motte, FR;
Reynald Chevalier, Frankfurt, DE;
Valerie Garcia, Margny-les-Compiègne, FR;
Patrik Müller, Frankfurt, DE;
Christian Sidot, Compiègne, FR;
Christian Tellier, Compiègne, FR;
Ludovic Delancray, Cuise-la-Motte, FR;
Reynald Chevalier, Frankfurt, DE;
Basell Polyolefine GmbH, Wesseling, DE;
Abstract
The present invention relates to a process for the racemoselective preparation of ansa-metallocene complexes of the formula (I) which comprises reacting a ligand starting compound of the formula (II) with a transition metal compound of the formula (III)(LB)M(NRR)X  (III)where