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2 051 256

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IPC

(21) (22)

Application

5037073/12, 1992-04-13

(22)

Actual filing date

1992-04-13

(45)

Published

1995-12-27

(72)

Inventor

Sergeev A.D.Bogdan V.M.Ushakova I.V.Basov V.M.Gondjukhina L.I.Moskal' S.V.

(73)

Holder

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

PROCESS FOR MANUFACTURE OF CELLULOSE Russian patent published in 1995 - IPC

Abstract RU 2051256 C1

FIELD: chemistry. SUBSTANCE: this process prescribes using 1,4-dihydro-9,10-dihydroxylanthrocene or disodium salt thereof as catalyst to be taken in amount of 0.005 to 0.25 percent relative to mass of vegetable stock. EFFECT: more sophisticated technique. 2 tbl

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RU 2 051 256 C1

Authors

Sergeev A.D.

Bogdan V.M.

Ushakova I.V.

Basov V.M.

Gondjukhina L.I.

Moskal' S.V.

Dates

1995-12-27—Published

1992-04-13—Filed