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2 051 257

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C1

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IPC

(21) (22)

Application

5048039/26, 1992-04-13

(22)

Actual filing date

1992-04-13

(45)

Published

1995-12-27

(72)

Inventor

Sergeev A.D.Kim E.Kh.Makerov P.V.Zakazov A.N.

(73)

Holder

Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij Institut Lesnoj I Tselljulozno-Bumazhnoj Promyshlennosti"

METHOD FOR MANUFACTURE OF OXIDIZED WHITE ALKALI LIQUOR Russian patent published in 1995 - IPC

Abstract RU 2051257 C1

FIELD: wood-and-pulp industry. SUBSTANCE: essence of this method resides in oxidizing sodium sulfide in air oxygen and using manganese-containing compounds as catalyst, water-proof substrate containing 2.5 to 90.0 mass percent manganese. EFFECT: more sophisticated technique. 2 tbl

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RU 2 051 257 C1

Authors

Sergeev A.D.

Kim E.Kh.

Makerov P.V.

Zakazov A.N.

Dates

1995-12-27—Published

1992-04-13—Filed

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