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1 640 862

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A1

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IPC

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Application

4749765/04, 1989-10-16

(22)

Actual filing date

1989-10-16

(45)

Published

1994-11-15

(72)

Inventor

Anan'Eva T.A.Nikulina T.A.Kurakin E.N.Klement'Eva Z.A.Vil'Danov A.F.Gorokhova S.A.

METHOD OF PREPARING CATALYST FOR LIQUID-PHASE OXIDATION OF SULFUROUS COMPOUNDS Russian patent published in 1994 - IPC

Abstract SU 1640862 A1

FIELD: catalytic chemistry. SUBSTANCE: method involves treating tetrachlorophthalocyane of cobalt with 10-% oleum in presence of boric acid at a mass relation of 1:(37.05-46.31):(0.208-0.65) and at 111-115 C. The process is followed by cooling, treating the reaction mass with nitrosylsulfuric acid, filtering, washing and drying. Before filtering, reaction mass is diluted with water. EFFECT: production of catalyst featuring high stability and activity. 1 tbl

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SU 1 640 862 A1

Authors

Anan'Eva T.A.

Nikulina T.A.

Kurakin E.N.

Klement'Eva Z.A.

Vil'Danov A.F.

Gorokhova S.A.

Dates

1994-11-15—Published

1989-10-16—Filed

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