Polyfluorinated sulphonic acids and their derivatives

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United States of America Patent

PATENT NO 4610829
SERIAL NO

05966508

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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New products and compositions of matter complying with the general formula: [C.sub.n F.sub.2n+1 --CH.sub.2 --.sub.b SO.sub.2 --Z].sub.d M wherein: C.sub.n F.sub.2n+1 represents a straight or ramified branched perfluorinated chain: n represents a whole number between 1 and 20, b is a whole number between 2 and 20, preferably equal to 2 or 4, Z represents a chlorine, bromine or an oxygen atom (when Z is a chlorine or a bromine atom, M is nothing and d is equal to 1), when Z is an oxygen atom: M is a hydrogen atom in which case, d is equal to 1, M is a metal of the Groups I.sub.A, II.sub.A, I.sub.B, II.sub.B, VIII of the periodic table, the ammonium radical, the aluminum or the lead radical, and in which case d represents the valence of this metal and methods for preparing new products as illustrated by the following representative reactions.

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Patent Owner(s)

  • PRODUITS CHIMIQUES UGINE KUHLMANN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Foulletier, Louis Oullins, FR 11 121
Lalu, Jean-Pierre La Mulatiere, FR 2 18

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