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2 172 989

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IPC

(21) (22)

Application

97107701/06, 1997-05-12

(24)

Start date

1997-05-12

(22)

Actual filing date

1997-05-12

(45)

Published

2001-08-27

(72)

Inventor

Pavlenko V.I.Marakin O.A.Bondarenko V.A.Shevtsov I.P.Efimov A.I.

(73)

Holder

Pavlenko Vjacheslav IvanovichMarakin Oleg Anatol'EvichBondarenko Vladimir Anatol'Evich

DRY MIX FOR PRODUCING INORGANIC RADIATION- SHIELDING COMPOSITE MATERIAL Russian patent published in 2001 - IPC

Abstract RU 2172989 C2

FIELD: nuclear and medical industries. SUBSTANCE: concrete mix used for manufacturing radiation shielding stones, walls, partitions, plaster, and stucco designed for biologic shielding of personnel from X-ray and gamma-radiation sources has in its composition cement, heavy fillers, plasticizing dope, and water; used as heavy filler is magnetite base iron-ore concentrate whose specific surface area is 1600-2000 sq. cm/g and, in addition, barytic filler whose specific surface area is 4500-5200 sq. cm/g. EFFECT: enhanced density, strength, and radiation shielding property of mix. 2 tbl

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RU 2 172 989 C2

Authors

Pavlenko V.I.

Marakin O.A.

Bondarenko V.A.

Shevtsov I.P.

Efimov A.I.

Dates

2001-08-27—Published

1997-05-12—Filed