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2 028 994

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C1

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IPC

(21) (22)

Application

5057689/33, 1992-08-05

(22)

Actual filing date

1992-08-05

(45)

Published

1995-02-20

(72)

Inventor

Pletnev P.M.Gindullina V.Z.Fedorov V.E.Korpachev M.G.Korpacheva A.I.

(73)

Holder

Institut Neorganicheskoj Khimii So Ran

CHARGE FOR MAKING OF REFRACTORY CRUCIBLE AND SUPPORT Russian patent published in 1995 - IPC

Abstract RU 2028994 C1

FIELD: roasting of high-temperature superconductors. SUBSTANCE: charge has components at the following ratio, wt.-%: SrCO3; 54.1-61.9; 2,1-42,4 ZrO2; 2.1-42.4; 1,8 -32,1 TiO2; 1.8-32.1; oxygen-containing manganese compound taken from the group: MnO2, MnO, Mn2O3,, MnCO3. 1.7-3.9. Positive effect: absence of chemical interaction of crucible or support material with high-temperature superconductor material. EFFECT: enhanced quality of charge. 1 tbl

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RU 2 028 994 C1

Authors

Pletnev P.M.

Gindullina V.Z.

Fedorov V.E.

Korpachev M.G.

Korpacheva A.I.

Dates

1995-02-20—Published

1992-08-05—Filed

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