Color improvement of phosphate esters

C - Chemistry – Metallurgy – 07 – F

Patent

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260/460.8

C07F 9/09 (2006.01) C07F 9/02 (2006.01) C07F 9/12 (2006.01) C08K 5/523 (2006.01)

Patent

CA 1048525

COLOR IMPROVEMENT OF PHOSPHATE ESTERS Abstract A method for decolorizing and stabilizing alkylphenyl esters of phosphoric acid which comprises the in situ addition of an effective amount of PCl3 to the POCl3 reacted with an alkyl phenol so as to produce a decolorized and stabilized phosphate ester.

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