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:
Feb. 07, 2006
Filed:
Jul. 25, 2003
Dirk Dawidowski, Frankfurt, DE;
Bernhard Debbeler, Liebenburg, DE;
Ute Emmel, Frankfurt am Main, DE;
Walter Pleyer, Langelsheim, DE;
Wilfried Weiss, Eschershausen, DE;
Dirk Dawidowski, Frankfurt, DE;
Bernhard Debbeler, Liebenburg, DE;
Ute Emmel, Frankfurt am Main, DE;
Walter Pleyer, Langelsheim, DE;
Wilfried Weiss, Eschershausen, DE;
Chemetall GmbH, Frankfurt am Main, DE;
Abstract
A process is described for the preparation of LiAlHsolutions, in which lithium hydride reacts with an aluminium halide in diethyl ether to give lithium aluminium hydride, the lithium halide which arises is separated off, and wherein a solvent the complexing energy of which with LiAlHis greater than the complexing energy of diethyl ether with LiAlHis then added, and the diethyl ether is removed by distillation.