Procedure for preparing silica from calcium silicate

United States of America Patent

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Apr 6, 2004
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N/A
app pub date
Jul 31, 2001
filing date
Feb 3, 1999

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Expired

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Abstract

This invention concerns a procedure for preparing amorphous silica from calcium silicate and CO.sub.2, with formation and separation of precipitate CaCO.sub.3.

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Patent Owner	Address
ITALCEMENTI S P A	24121 BERGAMO

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C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cassar, Luigi	Milan, IT	29	380
De, Marco Tiziana	Curno-Bergamo, IT	2	6
Gronchi, Paolo	Milan, IT	3	13

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Procedure for preparing silica from calcium silicate

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09890515

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PATENT NO	6716408
SERIAL NO	09890515
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09890515

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