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2 131 884

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IPC

(21) (22)

Application

97117425/04, 1997-10-02

(22)

Actual filing date

1997-10-02

(45)

Published

1999-06-20

(72)

Inventor

Bazarnova N.G.Markin V.I.Galochkin A.I.Tokareva I.V.

(73)

Holder

Altajskij Gosudarstvennyj Universitet

METHOD OF CARBOXYMETHYLATION OF LIGNOCARBOHYDRATE MATERIALS Russian patent published in 1999 - IPC

Abstract RU 2131884 C1

FIELD: chemical industry. SUBSTANCE: method comprises subjecting lignocarbohydrate material in the form of sawdust to mecanochemical treatment with mixture of monochloroacetic acid sodium salt, sodium hydroxide and water at 20-80 C for 0.5-3.0 hours. EFFECT: products with wider range of properties, and minimum preparation process duration. 10 ex, 2 tbl

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RU 2 131 884 C1

Authors

Bazarnova N.G.

Markin V.I.

Galochkin A.I.

Tokareva I.V.

Dates

1999-06-20—Published

1997-10-02—Filed

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