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. 16, 2011
Filed:
Jun. 14, 2006
Applicants:
Nikolai (Mykola) Ignatyev, Duisburg, DE;
Urs Welz-biermann, Heppenheim, DE;
Andriy Kucheryna, Kyiv, UA;
Helge Willner, Muehlheim/Ruhr, DE;
Inventors:
Nikolai (Mykola) Ignatyev, Duisburg, DE;
Urs Welz-Biermann, Heppenheim, DE;
Andriy Kucheryna, Kyiv, UA;
Helge Willner, Muehlheim/Ruhr, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D 211/10 (2006.01); C07D 233/58 (2006.01); C07D 207/06 (2006.01); C07C 211/63 (2006.01); C07C 321/14 (2006.01); C07F 9/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 50 to 170° C.