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2 115 473

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IPC

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Application

96119291/04, 1996-09-27

(22)

Actual filing date

1996-09-27

(45)

Published

1998-07-20

(72)

Inventor

Kovshun L.F.Khasanov R.M.Loginov V.M.Andreev L.V.Mulenko L.F.Chernaja S.I.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF PREPARING CATALYST TO REMOVE NITROGEN OXIDES FROM EXHAUSTED GASES Russian patent published in 1998 - IPC

Abstract RU 2115473 C1

FIELD: catalyst production. SUBSTANCE: silica gel is preliminarily treated by 0.54 to 2.7 M ammonium fluoride aqueous solution at 20 to 80 C for 3 to 24 h, impregnated by aqueous solutions of VI and VIII group metal salts, dried, and calcined. EFFECT: increased catalytic activity at elevated temperatures. 1 tbl

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RU 2 115 473 C1

Authors

Kovshun L.F.

Khasanov R.M.

Loginov V.M.

Andreev L.V.

Mulenko L.F.

Chernaja S.I.

Dates

1998-07-20—Published

1996-09-27—Filed

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