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. 19, 2013
Filed:
Jun. 24, 2009
Method for producing bis(fluoralkyl)phosphinic acid chlorides or fluoralkylphosphonic acid chlorides
Applicants:
Nikolai (Mykola) Ignatyev, Duisburg, DE;
Dana Bejan, Wuppertal, DE;
Helge Willner, Muelheim/Ruhr, DE;
Emil Aust, Mainz, DE;
Inventors:
Nikolai (Mykola) Ignatyev, Duisburg, DE;
Dana Bejan, Wuppertal, DE;
Helge Willner, Muelheim/Ruhr, DE;
Emil Aust, Mainz, DE;
Assignee:
Merck Patent Gesellschaft mit Beschränkter Haftung, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 19/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of bis(fluoroalkyl)phosphinyl chlorides or fluoroalkylphosphonyl dichlorides by reaction of the corresponding bis(fluoroalkyl)phosphinic acid or fluoroalkylphosphonic acid with aryltetrachlorophosphorane as chlorinating agent.