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2 202 521

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IPC

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Application

2001119740/03, 2001-07-16

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Start date

2001-07-16

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Actual filing date

2001-07-16

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Published

2003-04-20

(72)

Inventor

Svatovskaja L.B.Vasil'Eva I.V.Mjakin S.V.Solov'Eva V.Ja.Sycheva A.M.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet Putej Soobshchenija

BINDER Russian patent published in 2003 - IPC

Abstract RU 2202521 C2

FIELD: preparation of mortars and concretes similarly to portland cement. SUBSTANCE: proposed binder contains one of the following difficultly soluble oxides in addition to portland cement: MnO2 or CuO or PbO at preliminary electron beam modification by flux of accelerated electrons in range of absorbed doses of 50 to 200 kGy at the following ratio of components, mass-%: portland cement, 98-99; oxide modified by flux of accelerated electrons, 1-2. EFFECT: enhanced strength at temperatures below zero. 1 tbl

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RU 2 202 521 C2

Authors

Svatovskaja L.B.

Vasil'Eva I.V.

Mjakin S.V.

Solov'Eva V.Ja.

Sycheva A.M.

Dates

2003-04-20—Published

2001-07-16—Filed

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