Process for the preparation of silicate and its use for the preparation of precipitated silica

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United States of America Patent

PATENT NO 11027981
APP PUB NO 20180297854A1
SERIAL NO

15768287

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Abstract

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The invention relates to a novel process for the preparation of silicate comprising: reacting rice husk ash with a silicate precursor P1 to obtain a silicate S2 having a SiO2/MxO molar ratio MR2, in which the precursor P1 is either a silicate S1 having a SiO2/MxO molar ratio MR1 such that MR2>MR1, or a mixture of sand with metal hydroxide.

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Patent Owner(s)

Patent OwnerAddress
RHODIA OPÉRATIONSLYON LYON RHONE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bedore, Dos Santos Leo Ricardo Fazenda Santa Candida Campinas, BR 2 3
De, Villefort Grossi Daniella Campinas, BR 1 1
Jost, Philippe Serpaize, FR 19 151

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