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. 16, 2015
Filed:
Feb. 12, 2013
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Nikolai Mykola Ignatyev, Duisburg, DE;
Michael Schulte, Bischofsheim, DE;
Christoph Alexander Jablonka, Duesseldorf, DE;
Karsten Koppe, Marl-Polsum, DE;
Walter Frank, Wuppertal, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/32 (2006.01); C07F 9/6571 (2006.01);
U.S. Cl.
CPC ...
C07F 9/3205 (2013.01); C07F 9/327 (2013.01); C07F 9/657163 (2013.01);
Abstract
The invention relates to a process for the preparation of alkyl phosphinates, alkenyl phosphinates, alkynyl phosphinates or phenyl phosphinates by reaction of a corresponding phosphine oxide with an alcohol or phenol in the presence of alkali-metal fluoride or tetraalkylammonium fluoride.