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2 371 422

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IPC

C04B35/657(2006-01-01)

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Application

2008122870/03, 2008-06-06

(24)

Start date

2008-06-06

(22)

Actual filing date

2008-06-06

(45)

Published

2009-10-27

(72)

Inventor

Perepelitsin Vladimir AlekseevichRytvin Viktor MikhajlovichGil'Varg Sergej IgorevichIgnatenko Vladimir Gennad'EvichAbyzov Aleksandr Nikolaevich

(73)

Holder

Ooo Obogatitel'Naja Fabrika"

MOLTEN REFRACTORY MATERIAL Russian patent published in 2009 - IPC C04B35/657

Abstract RU 2371422 C1

FIELD: chemistry.

SUBSTANCE: invention relates to high-alumina refractory mixtures and products with operating temperature in the range 1600 to 1650°C or above. The molten refractory material contains the following components, wt %: Na₂O - 0.8 to 3.0; CaO - 6.0 to 12.0; Cr₂O₃ - 6.0 to 12.0; MgO - 1.0 to 3.0; SiO₂ - 0.2 to 0.4; Al₂O₃ - the rest.

EFFECT: increased resistance of refractory material to highly-aggressive reducing media, molten highly-active light metals.

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RU 2 371 422 C1

Authors

Perepelitsin Vladimir Alekseevich

Rytvin Viktor Mikhajlovich

Gil'Varg Sergej Igorevich

Ignatenko Vladimir Gennad'Evich

Abyzov Aleksandr Nikolaevich

Dates

2009-10-27—Published

2008-06-06—Filed