Nano-additive for hydrocarbon well cementing operations

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Sep 25, 2012
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Mar 25, 2010
app pub date
Sep 22, 2008
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Sep 22, 2008

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Abstract

A cement additive, comprising nanostructured or not particles of SiO₂—CaO—Al₂O₃and at least one additive selected from the group consisting of nano-sized particles of SiO₂, 2CaO.SiO₂, 3CaO.SiO₂, Al₂O₃, P—Ca and/or combinations thereof.

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Patent Owner	Address
INTEVEP S A	CARACAS CARACAS CAPITAL

International Classification(s)

C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....

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Inventor Name	Address	# of filed Patents	Total Citations
Cano, Ramirez Johanna Carolina	Edo. Miranda, VE	1	21
Hurtado, Acevedo Adriana Carolina	Caracas, VE	1	21
Martinez, Méndez Susana Isabel	Edo. Miranda, VE	1	4
Perera, Mercado Yibran Argenis	Edo. Miranda, VE	3	22

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Nano-additive for hydrocarbon well cementing operations

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United States of America Patent

12234920

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PATENT NO	8273173
APP PUB NO	20100075874A1
SERIAL NO	12234920
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 25, 2012	US,8273173,B2 US8273173B2	GRANTED PATENT AS SECOND PUBLICATION
March 25, 2010	US,20100075874,A1 US20100075874A1	FIRST PUBLISHED PATENT APPLICATION

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