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2 238 920

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IPC

(21) (22)

Application

2003100474/03, 2003-01-08

(24)

Start date

2003-01-08

(22)

Actual filing date

2003-01-08

(45)

Published

2004-10-27

(72)

Inventor

Svatovskaja L.B.Solov'Eva V.Ja.Gerchin D.V.Shangin V.Ju.Sycheva A.M.Titova T.S.Temnikov Ju.N.

(73)

Holder

Peterburgskij Gosudarstvennyj Universitet Putej Soobshchenija

COMPOSITE ADDITIVE Russian patent published in 2004 - IPC

Abstract RU 2238920 C2

FIELD: manufacture of building materials.

SUBSTANCE: invention provides water-retention additive for binders (Portland cement, lime binder, or Portland cement-lime binder) simultaneously increasing bend strength of concretes and mortars, which contains 45-55% amylose and, additionally, 45-55% soluble magnesium salt.

EFFECT: enhanced water-retention capacity and bend strength.

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RU 2 238 920 C2

Authors

Svatovskaja L.B.

Solov'Eva V.Ja.

Gerchin D.V.

Shangin V.Ju.

Sycheva A.M.

Titova T.S.

Temnikov Ju.N.

Dates

2004-10-27—Published

2003-01-08—Filed