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, 2009
Filed:
Dec. 14, 2004
Applicants:
Laszlo Szarvas, Ludwigshafen, DE;
Klemens Massonne, Bad Dürkheim, DE;
Harald Laas, Maxdorf, DE;
Kai Michael Exner, Eppelheim, DE;
Detlev Glas, Frankenthal, DE;
Inventors:
Laszlo Szarvas, Ludwigshafen, DE;
Klemens Massonne, Bad Dürkheim, DE;
Harald Laas, Maxdorf, DE;
Kai Michael Exner, Eppelheim, DE;
Detlev Glas, Frankenthal, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 315/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing quaternary phosphonium salts by reacting a ternary phosphine with an optionally substituted, saturated or monounsaturated or polyunsaturated electrophile having from 3 to 25 carbon atoms in ternary solvent mixtures.