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. 14, 2006
Filed:
Jun. 25, 2001
Thomas Mackewitz, Mannheim, DE;
Wolfgang Ahlers, Worms, DE;
Edgar Zeller, Mannheim, DE;
Michael Röper, Wachenheim, DE;
Rocco Paciello, Bad Dürkheim, DE;
Rainer Papp, Ludwigshafen, DE;
Konrad Knoll, Ludwigshafen, DE;
Hartwig Voss, Frankenthal, DE;
Thomas Mackewitz, Mannheim, DE;
Wolfgang Ahlers, Worms, DE;
Edgar Zeller, Mannheim, DE;
Michael Röper, Wachenheim, DE;
Rocco Paciello, Bad Dürkheim, DE;
Rainer Papp, Ludwigshafen, DE;
Konrad Knoll, Ludwigshafen, DE;
Hartwig Voss, Frankenthal, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention relates to phosphacyclohexanes of general formulae I and II, wherein the following designations, among others, apply: R can represent hydrogen, C-alkyl, C-aralkyl, C-alkaryl, and C-aryl: Rto Rcan independently represent hydrogen, C-alkyl, C-aralkyl, C-alkaryl, and C-aryl: W, W' can independently represent single bonds or bridges comprising 1 to 20 carbon atoms, which can form part of a cyclic or aromatic group and can be interrupted by heteroatoms. Said phosphacyclohexanes are used as ligands in transition metal complexes of transition metals belonging to groups VIII to X of the periodic table.