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:
Jun. 02, 2009
Filed:
Oct. 22, 2004
Nikolai (Mykola) Ignatyev, Duisburg, DE;
Urs Welz-biermann, Heppenheim, DE;
Michael Schmidt, Seeheim-Jugenheim, DE;
Andriy Kucheryna, Wuppertal, DE;
Helge Willner, Mühlheim/Ruhr, DE;
Nikolai (Mykola) Ignatyev, Duisburg, DE;
Urs Welz-Biermann, Heppenheim, DE;
Michael Schmidt, Seeheim-Jugenheim, DE;
Andriy Kucheryna, Wuppertal, DE;
Helge Willner, Mühlheim/Ruhr, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The invention relates to a method for producing mono(fluoroalkyl)phosphoric acids or bis(fluoroalkyl)phosphoric acids, mono(fluoroalkyl)phosphates or bis(fluoroalkyl)phosphates, and the corresponding phosphoranes thereof. The inventive method comprises at least the step of reacting a bis(fluoroalkyl)phosphonic acid, a (fluoroalkyl)phosphonic acid, or a corresponding derivative of said acids with anhydrous hydrogen fluoride.