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2 019 608

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C1

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IPC

(21) (22)

Application

5057880/12, 1992-08-06

(22)

Actual filing date

1992-08-06

(45)

Published

1994-09-15

(72)

Inventor

Рazukhina G.А.Кrivonosenko S.М.Sukhov S.L.

(73)

Holder

Рazukhina Galina АleksandrovnaКrivonosenko Svetlana МaksimovnaSukhov Stanislav Leont'Evich

PROCESS FOR PREPARING SEMICELLULOSE Russian patent published in 1994 - IPC

Abstract RU 2019608 C1

FIELD: pulp-and-paper industry. SUBSTANCE: the cooking solution is a magnesium-potassium-based bisulfite solution and the cooking operation is carried out at a MgO to K2O ratio from 3:1 to 9:1 in the cooking solution. EFFECT: improved properties of the semicellulose. 1 tbl

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RU 2 019 608 C1

Authors

Рazukhina G.А.

Кrivonosenko S.М.

Sukhov S.L.

Dates

1994-09-15—Published

1992-08-06—Filed

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