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
2006-03-21
2006-03-21
Shosho, Callie (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...
C524S430000, C524S493000, C524S555000, C428S032340, C428S032380
Reexamination Certificate
active
07015270
ABSTRACT:
A stable, aqueous dispersion, which includes:silicon dioxide mixed-oxide particles dispersed in at least one water-soluble cationic polymer having a mass average molar mass of less than 100,000 g/mol, said mixed-oxide including aluminum oxide or titanium dioxide,wherein said particles are produced by flame hydrolysis,wherein said particles have a BET specific surface area of 5 to 600 m2/g and a negative zeta potential,and wherein the dispersion has a positive zeta potential.
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Batz-Sohn Christoph
Lortz Wolfgang
Scharfe Thomas
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