Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2005-04-12
2005-04-12
Thexton, Matthew A. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S758000
Reexamination Certificate
active
06878772
ABSTRACT:
Fluoropolymer aqueous dispersions having particles with average diameters from 150 to 400 nm, comprising bifunctional fluorinated surfactants having formula:in-line-formulae description="In-line Formulae" end="lead"?A-Rf—B (I)in-line-formulae description="In-line Formulae" end="tail"?wherein:A and B, equal to or different from each other, are:—(O)pCFX—COOM;M=NH4, alkaline metal, H;X=F, CF3;p is an integer equal to 0 or 1;Rfis a linear or branched perfluoroalkyl chain, or a (per)fluoropolyether chain such that the number average molecular weight of (I) is in the range 300-1,800.
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European Search Report.
Chittofrati Alba
Kapeliouchko Valeri
Malvasi Marco
Visca Mario
Arent Fox PLLC.
Solvay Solexis S.p.A.
Thexton Matthew A.
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