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2 256 626

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IPC

(21) (22)

Application

2004101331/03, 2004-01-16

(24)

Start date

2004-01-16

(22)

Actual filing date

2004-01-16

(45)

Published

2005-07-20

(72)

Inventor

Khudjakova L.I.Konstantinova K.K.Narkhinova B.L.

(73)

Holder

Bajkal'Skij Institut Prirodopol'Zovanija Sibirskogo Otdelenija Rossijskoj Akademii Nauk So Ran)

ANTI-FREEZE ADDITIVE TO CEMENTS Russian patent published in 2005 - IPC

Abstract RU 2256626 C1

FIELD: cement compositions, possibly production of "winter" type Portland cements used for building in North regions.

SUBSTANCE: anti-freeze additive to cement contains magnesium silicate rock - dunite disintegrated with water for 15 min in quantity 30 mass % of mixture.

EFFECT: enhanced strength of concrete at negative temperatures, lowered cost of producing building materials used in Siberia and Far North regions, elimination of reinforcement corrosion.

3 ex, 2 ex

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RU 2 256 626 C1

Authors

Khudjakova L.I.

Konstantinova K.K.

Narkhinova B.L.

Dates

2005-07-20—Published

2004-01-16—Filed