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:
Dec. 05, 2006
Filed:
Mar. 17, 2003
Nikolai Ignatyev, Duisburg, DE;
Michael Weiden, Darmstadt, DE;
Urs Welz-biermann, Heppenheim, DE;
Udo Heider, Winchester, GB;
Peter Sartori, Utting, DE;
Andriy Kucheryna, Duisburg, DE;
Helge Willner, Muehlheim/Ruhr, DE;
Nikolai Ignatyev, Duisburg, DE;
Michael Weiden, Darmstadt, DE;
Urs Welz-Biermann, Heppenheim, DE;
Udo Heider, Winchester, GB;
Peter Sartori, Utting, DE;
Andriy Kucheryna, Duisburg, DE;
Helge Willner, Muehlheim/Ruhr, DE;
Merck Patent Gesellschaft, Darmstadt, DE;
Abstract
The present invention relates to a process for the preparation of monohydroperfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates which comprises at least the treatment of at least one perfluoroalkylphosphorane with at least one base in a suitable reaction medium.