Method for producing alkoxylated phosphoric acid triesters

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United States of America Patent

PATENT NO 8841475
SERIAL NO

13759827

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Abstract

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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) R1—(OA1)x—OH, (III) R2—(OA2)y—OH, and (IV) R3—(OA3)z—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.

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Patent Owner(s)

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CLARIANT FINANCE (BVI) LIMITEDCITCO BUILDING WICKHAMS CAY P O BOX 662 ROAD TOWN TORTOLA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Klug, Peter Grossostheim, DE 109 1106
Oberhauser, Adelgunde Neuoetting, DE 10 53
Scherl, Franz-Xaver Burgkirchen, DE 41 289
Simsch, Waltraud Kelkheim, DE 22 190

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