Oil-, hot water-and heat-resistant binders, process for...

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component

Reexamination Certificate

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C166S292000, C166S305100, C507S127000, C524S588000, C528S010000, C556S009000, C556S402000

Reexamination Certificate

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08003579

ABSTRACT:
A process for preparing a binder which comprises a heterocondensate of silicon compounds and metal and/or boron compounds. The process comprises mixing a silicon component which comprises (A), at least one hydrolyzable silicon compound having a non-hydrolyzable polymerizable group, with water to form a hydrolysis product, and 15 s to 15 min after mixing (A) with water, the addition of (B), at least one compound of boron or a metal selected from Al, Ga, In, Tl, Ge, Ga, Sn, Pb, Ti, Zr, Hf, Sc, Y and La.

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Brinker C. J. et al., Sol Gel Science—The Physics and Chemistry of Sol-Gel-Processing, (Academic Press, Boston San Diego, New York, Sydney 1990); pp. 108-115.

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