Ethylene-tetrafluoroethylene phosphate composition

Details Ethylene-tetrafluoroethylene phosphate composition Ethylene-tetrafluoroethylene phosphate composition

2008-05-19

2011-11-01

Lundgren, Jeffrey S. (Department: 1629)

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

C514S052000, C514S075000, C514S183000, C524S589000, C568S011000, C435S001100

Reexamination Certificate

active

08049040

ABSTRACT:
Fluorophosphate containing an ethylene-tetrafluoroethylene moiety of formula (I) or (II):in-line-formulae description="In-line Formulae" end="lead"?(A)w-P(O)(O−M+)3-w  (I) orin-line-formulae description="In-line Formulae" end="tail"?whereinA is Rf—(CH2)k—[(CF2CF2)y—(CH2CH2)z]mO and contains from about 8 to about 22 carbon atoms;Rfis CnF2n+1;n and k are each independently 1 to about 6;y, z, and m are each independently 1, 2, 3, or mixture thereof;w is 1 or 2 or a mixture thereof; andM is hydrogen, ammonium ion, an alkali metal ion, or an alkanolammonium ion,said fluorophosphate useful as a surfactant for altering the surface behavior of a liquid by addition thereto, and for providing surface effects to a substrate treated with a composition containing the fluorophosphate.

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