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:
Mar. 05, 2013
Filed:
Jul. 29, 2008
Peter Klug, Grossostheim, DE;
Franz-xaver Scherl, Burgkirchen, DE;
Waltraud Simsch, Kelkheim, DE;
Adelgunde Oberhauser, Neuoetting, DE;
Peter Klug, Grossostheim, DE;
Franz-Xaver Scherl, Burgkirchen, DE;
Waltraud Simsch, Kelkheim, DE;
Adelgunde Oberhauser, Neuoetting, DE;
Clariant Finance (BVI) Limited, Tortola, VG;
Abstract
The invention relates to a method for producing phosphoric acid triesters of formula (I). According to said method, phosphoric acid or a phosphoric acid derivative selected from orthophosphoric acid, tetraphosphoric decaoxide and polyphosphoric acid is reacted with alkoxylated alcohols of formulae (II) R—(OA)-OH, (III) R—(OA)-OH, and (IV) R—(OA)-OH, in the molar ratio phosphoric acid or phosphoric acid derivative to alkoxylated alcohol of 1:2.5 to 1:3.3, at between 200 and 240° C.