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. 15, 2009
Filed:
Aug. 10, 2005
Philipp Stoessel, Frankfurt Am Main, DE;
Ingrid Bach, Hofheim, DE;
Amir Parham, Frankfurt, DE;
Esther Breuning, Niedernhausen, DE;
Hubert Spreitzer, Viernheim, DE;
Philipp Stoessel, Frankfurt Am Main, DE;
Ingrid Bach, Hofheim, DE;
Amir Parham, Frankfurt, DE;
Esther Breuning, Niedernhausen, DE;
Hubert Spreitzer, Viernheim, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
Process for the preparation of rhodium(III) and iridium(III) ketoketonates. The present invention describes a process for the preparation of rhodium and iridium compounds which are used as starting compound for various organorhodium compounds and organoiridium compounds, in which the reaction, starting from a rhodium(III) or iridium(III) salt, is carried out in at least two steps, where different solvents or solvent mixtures are used in each.