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:
Aug. 16, 2011
Filed:
Apr. 09, 2008
Richard Walter, Alzenau, DE;
Horst Meyer, Altenstadt, DE;
Steffen Voss, Hanau, DE;
W.C. Heraeus GmbH, Hanau, DE;
Abstract
Palladium(0)-dibenzylidene acetone complexes Pd(dba), with y/x being from 1.5 to 3, are provided according to the invention at a purity of at least 99.5 wt. %. The use of said Pd(dba)complexes according to the invention is for determining their stoichiometry by means of elemental analysis. In the method for the production of Pd(dba)complexes from a Pd-containing educt and dibenzylidene acetone (dba) in alcohol, according to the invention a solution of the dba in alcohol pre-heated to more than 40° C. is provided first and then the Pd-containing educt is added to the pre-heated solution upon which the complexes are precipitated by a base.