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2 491 239

(13)

(51)

IPC

C04B7/52(2006-01-01)

(21) (22)

Application

2012107175/03, 2012-02-27

(24)

Start date

2012-02-27

(22)

Actual filing date

2012-02-27

(45)

Published

2013-08-27

(72)

Inventor

Erofeev Vladimir TrofimovichTravush Vladimir Il'IchKarpenko Nikolaj IvanovichBazhenov Jurij MikhajlovichZhidkin Vladimir FedorovichRodin Aleksandr IvanovichRimshin Vladimir IvanovichSmirnov Vasilij FilippovichBogatov Andrej DmitrievichKaznacheev Sergej Valer'EvichRodina Marina Aleksandrovna

(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 2491239 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a biocidal portland 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 sulphate, water lime and quartz sand with grain size of 160-320 mcm, with the following ratio of components, wt %: portland cement clinker 86.72-91.10, gypsum dihydrate 4.55-6.07, sodium sulphate 3.42-4.55, water lime 0.02-0.06, said quartz sand - the balance.

EFFECT: high strength of the biocidal portland cement.

2 tbl

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RU 2 491 239 C1

Authors

Erofeev Vladimir Trofimovich

Travush Vladimir Il'Ich

Karpenko Nikolaj Ivanovich

Bazhenov Jurij Mikhajlovich

Zhidkin Vladimir Fedorovich

Rodin Aleksandr Ivanovich

Rimshin Vladimir Ivanovich

Smirnov Vasilij Filippovich

Bogatov Andrej Dmitrievich

Kaznacheev Sergej Valer'Evich

Rodina Marina Aleksandrovna

Dates

2013-08-27—Published

2012-02-27—Filed