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. 12, 2014
Filed:
May. 28, 2010
Applicants:
Patrick Notté, Wavre, BE;
Albert Devaux, Mont-Saint-Guibert, BE;
Inventors:
Patrick Notté, Wavre, BE;
Albert Devaux, Mont-Saint-Guibert, BE;
Assignee:
Straitmark Holding AG, Zug, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/141 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the manufacture of dialkyl phosphites is disclosed wherein a P—O component containing from 1 to 6 P—O—P bonds in the molecule is reacted with an alcohol and a carboxylic acid ester having from 1 to 6 carbon atoms in the alkyl group and from 5 to 20 carbon atoms in the esterifying alkyl group of the ester. The dialkyl phosphites are formed under simultaneous removal by distillation of the carboxylic acid formed.