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. 18, 2009
Filed:
Oct. 26, 2004
Applicants:
Nikolai Mykola Ignatyev, Duisburg, DE;
Urs Welz-biermann, Heppenheim, DE;
Helge Willner, Muhlheim/Ruhr, DE;
Andriy Kucheryna, Wuppertal, DE;
Inventors:
Nikolai Mykola Ignatyev, Duisburg, DE;
Urs Welz-Biermann, Heppenheim, DE;
Helge Willner, Muhlheim/Ruhr, DE;
Andriy Kucheryna, Wuppertal, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for the production of organic salts containing bis(perfluoroalkyl)phosphinate anions. According to said method, a tris(perfluoroalkyl)phosphine oxide is reacted with an alcohol and an organic base, which is stronger than the alcohol. The invention also relates to the salts which are produced according to said method and to the use thereof as ionic liquids.