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2 034 080

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C1

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IPC

(21) (22)

Application

5024583/02, 1992-01-28

(22)

Actual filing date

1992-01-28

(45)

Published

1995-04-30

(72)

Inventor

Gotovchikov Vitalij Timofeevich[Ru]Danilov Viktor Vasil'Evich[Kz]Zrjachev Anatolij Nikolaevich[Ru]Kachur Leonid Isaakovich[Ru]Kuznetsov Jurij Vladimirovich[Kz]Malinin Aleksandr Aleksandrovich[Kz]Smagina Klara Ivanovna[Kz]Tishin Aleksandr Nikolaevich[Kz]Jakovlev Aleksandr Vasil'Evich[Kz]

(73)

Holder

Aktsionernaja Kompanija

METHOD FOR PRODUCTION OF HIGH-PURITY METALLIC SCANDIUM Russian patent published in 1995 - IPC

Abstract RU 2034080 C1

FIELD: metallurgy of rare metals. SUBSTANCE: method includes distillation of crude metal in vacuum of 10-4-10 -5 mm Hg at temperature of 1650-1750 C. After condensation, distillation is repeated at temperature of 1850-2000 C. EFFECT: higher efficiency. 1 tbl

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RU 2 034 080 C1

Authors

Gotovchikov Vitalij Timofeevich[Ru]

Danilov Viktor Vasil'Evich[Kz]

Zrjachev Anatolij Nikolaevich[Ru]

Kachur Leonid Isaakovich[Ru]

Kuznetsov Jurij Vladimirovich[Kz]

Malinin Aleksandr Aleksandrovich[Kz]

Smagina Klara Ivanovna[Kz]

Tishin Aleksandr Nikolaevich[Kz]

Jakovlev Aleksandr Vasil'Evich[Kz]

Dates

1995-04-30—Published

1992-01-28—Filed

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