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2 491 240

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(51)

IPC

C04B7/52(2006-01-01)

(21) (22)

Application

2012107722/03, 2012-02-29

(24)

Start date

2012-02-29

(22)

Actual filing date

2012-02-29

(45)

Published

2013-08-27

(72)

Inventor

Erofeev Vladimir TrofimovichRimshin Vladimir IvanovichBazhenov Jurij MikhajlovichTravush Vladimir Il'IchKarpenko Nikolaj IvanovichMagdeev Usman KhasanovichZhidkin Vladimir FedorovichBurnajkin Nikolaj FedorovichRodin Aleksandr IvanovichSmirnov Vasilij FilippovichBogatov Andrej DmitrievichKaznacheev Sergej Valer'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Im. N.P. Ogareva"

BIOCIDAL PORTLAND CEMENT Russian patent published in 2013 - IPC C04B7/52

Abstract RU 2491240 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a cement composition and can be used in mortar and concrete based on said composition. The biocidal portland cement contains portland cement clinker, gypsum dihydrate and a mineral additive in form of sodium fluoride and quartz sand with grain size of 160-320 mcm, with the following ratio of components, wt %: portland cement clinker 86.58-94.12, gypsum dihydrate 2.82-6.93, sodium fluoride 2.12-3.90, said quartz sand - the balance.

EFFECT: reduced water gain of the biocidal portland cement.

2 tbl

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RU 2 491 240 C1

Authors

Erofeev Vladimir Trofimovich

Rimshin Vladimir Ivanovich

Bazhenov Jurij Mikhajlovich

Travush Vladimir Il'Ich

Karpenko Nikolaj Ivanovich

Magdeev Usman Khasanovich

Zhidkin Vladimir Fedorovich

Burnajkin Nikolaj Fedorovich

Rodin Aleksandr Ivanovich

Smirnov Vasilij Filippovich

Bogatov Andrej Dmitrievich

Kaznacheev Sergej Valer'Evich

Dates

2013-08-27—Published

2012-02-29—Filed