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2 113 318

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IPC

(21) (22)

Application

97100047/02, 1997-01-06

(22)

Actual filing date

1997-01-06

(45)

Published

1998-06-20

(72)

Inventor

Valevich V.V.Sedov V.S.

(73)

Holder

Institut Sil'Notochnoj Ehlektroniki So Ran

METHOD OF PREPARING ALUMINIUM OXIDE POWDER Russian patent published in 1998 - IPC

Abstract RU 2113318 C1

FIELD: chemical industry. SUBSTANCE: aluminium wire with diameter of 07001<d<0.035 cm is inserted into gap between electrodes in oxygen containing medium, and pulse of electric current with density of 2,5•107< I < 8,8•105/d, A/cm2 is passed to produce aluminium oxide powder having specific area of 96-163 sq.m/g. EFFECT: more efficient preparation method. 1 tbl

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RU 2 113 318 C1

Authors

Valevich V.V.

Sedov V.S.

Dates

1998-06-20—Published

1997-01-06—Filed

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