Thermal and/or acoustic insulation materials shaped from silica

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United States of America Patent

PATENT NO 9903109
SERIAL NO

14834044

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Abstract

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Thermal and/or acoustic insulation materials based on dried precipitated silica, having a total pore volume of from 1 to 5 cm3/g and optionally containing reinforcing fillers and/or opacifying agents, are prepared by:

    (A) filtering an aqueous dispersion D containing precipitated silica particles in a filter press, whereby a compacted filter cake is obtained; and then(B) drying the filter cake in the compacted state as obtained after step (A).

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Patent Owner(s)

Patent OwnerAddress
RHODIA CHIMIE40 RUE DE LA HAIE COQ AUBERVILLIERS F-93306

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Enjalbert, Catherine Saint-Leu-la-Foret, FR 3 6
Hernandez, Julien Antony, FR 27 348

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