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2 104 353

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IPC

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Application

95110034/12, 1995-06-14

(22)

Actual filing date

1995-06-14

(45)

Published

1998-02-10

(72)

Inventor

Kozlov I.A.Zakazov A.N.Babkin V.A.Derjagina Eh.N.Sergeev A.D.Levanova E.P.Sukhomazova Eh.N.Makerov P.V.

(73)

Holder

Otdel Khimii Drevesiny Irkutskogo Instituta Organicheskoj Khimii So Ran

COMPOSITION FOR PREPARING CELLULOSE Russian patent published in 1998 - IPC

Abstract RU 2104353 C1

FIELD: pulp-and-paper industry. SUBSTANCE: 0.38-3.75 wt.-% of sodium hydroxide is mixed with 0.50-5.00 wt.-% of hydrazine hydrate and 0.30-3.00 wt. -% of elementary sulfur is added to form desired cooking liquor. EFFECT: improved process characteristics of cooking liquor.

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RU 2 104 353 C1

Authors

Kozlov I.A.

Zakazov A.N.

Babkin V.A.

Derjagina Eh.N.

Sergeev A.D.

Levanova E.P.

Sukhomazova Eh.N.

Makerov P.V.

Dates

1998-02-10—Published

1995-06-14—Filed

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