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2 022 924

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IPC

(21) (22)

Application

4949769/26, 1991-05-12

(22)

Actual filing date

1991-05-12

(45)

Published

1994-11-15

(72)

Inventor

Gromova I.N.Sokolova T.A.Maksjutenko A.N.Sheremet A.N.Korjakov V.V.Babkin V.V.Murashkevich A.N.Beljakova L.V.

(73)

Holder

Cherepovetskoe Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OBTAINING FINELY DIVIDED SILICA Russian patent published in 1994 - IPC

Abstract RU 2022924 C1

FIELD: mineral filler in tyre, technical-rubber and other industry branches. SUBSTANCE: method comprise steps of two-stage mixing of silicium and fluoride containing solution with an ammonia water with use of (50-90)% ammonia water at a first stage; agitating the mixture, filtering it and treating a deposit; performing a mixing at the first stage by spraying the silicium and fluoride containing solution to a flow of the ammonia water upon a value of Veber criteria, being We = (0,005 - 2) × 10⁴, and at the second stage - by supplying the ammonia water to a flow of a suspension, formed at the first stage, upon volumetric ratio "suspension : ammonia water", equal to 3.4-280. EFFECT: simplified manufacturing process. 1 cl, 1 tbl

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RU 2 022 924 C1

Authors

Gromova I.N.

Sokolova T.A.

Maksjutenko A.N.

Sheremet A.N.

Korjakov V.V.

Babkin V.V.

Murashkevich A.N.

Beljakova L.V.

Dates

1994-11-15—Published

1991-05-12—Filed