Dispersion and method for modifying a surface with hydrophobized silica

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United States of America Patent

PATENT NO 8933164
SERIAL NO

13383942

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Abstract

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A dispersion, comprising 0.1 to 25% by weight hydrophobized silica, 8 to 90 wt % of at least one alcohol selected from the group consisting of ethanol, 1-propanol and 2-propanol, 7 to 89 wt % of water, 0 to 30% by weight solvent immiscible with water, and 0.04 to 5 wt % of at least one carboxyvinyl polymer present in neutralized form, can be applied to a surface using a non-drip application method and, by modifying the surface with hydrophobized silica, imparts water-repelling and self-cleaning properties to the surface.

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Patent Owner(s)

Patent OwnerAddress
EVONIK OPERATIONS GMBHRELLINGHAUSER STRASSE 1-11 ESSEN 45128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jakob, Harald Hasselroth, DE 56 294
Lortz, Wolfgang Wächtersbach, DE 69 931
Peggau, Jörg Essen, DE 9 57

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