Polyfluoroalkylphosphonic acid ester and process for producing the same

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United States of America Patent

PATENT NO 9120833
APP PUB NO 20120108849A1
SERIAL NO

13383299

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Abstract

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A polyfluoroalkylphosphonic acid ester represented by the general formula: CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cP(O)(OR)2 (R is an alkyl group having 1 to 4 carbon atoms, n is an integer of 1 to 6, a is an integer of 1 to 4, b is an integer of 1 to 3, and c is an integer of 1 to 3) is produced by a process of reacting a polyfluoroalkyl iodide represented by the general formula: CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cI with a trialkyl phosphite represented by the general formula: P(OR)3 or by a process of reacting a polyfluoro-1-alkene represented by the general formula: CnF2n+1(CH2CF2)a(CF2CF2)bCH═CH2 with a dialkyl phosphite represented by the general formula: (RO)2P(O)H.

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Patent Owner(s)

Patent OwnerAddress
UNIMATEC CO LTD12-15 SHIBADAIMON 1-CHOME MINATO-KU TOKYO 1050012

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murata, Seiichiro Ibaraki, JP 26 160
Sato, Katsuyuki Ibaraki, JP 94 1371

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