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2 186 071

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Application

2000113804/04, 2000-05-30

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Start date

2000-05-30

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Actual filing date

2000-05-30

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Published

2002-07-27

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Inventor

Grebenkin A.N.Barmin M.I.Korolev E.A.Pavlichenko V.V.Mel'Nikov V.V.Burinskaja A.A.Parmuzina Ju.Ju.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet Tekhnologii I Dizajna

POWDERED CELLULOSE PRODUCTION PROCESS Russian patent published in 2002 - IPC

Abstract RU 2186071 C2

FIELD: cellulose production. SUBSTANCE: powdered cellulose is prepared by processing of linen production waste involving acid hydrolysis conducted for 50-60 min at 110-120 C in 0.9-1.5 M nitric acid and affected by ultrasonic field with frequency 20-21 kHz. EFFECT: simplified process due to use of ultrasound. 1 tbl, 19 ex

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RU 2 186 071 C2

Authors

Grebenkin A.N.

Barmin M.I.

Korolev E.A.

Pavlichenko V.V.

Mel'Nikov V.V.

Burinskaja A.A.

Parmuzina Ju.Ju.

Dates

2002-07-27—Published

2000-05-30—Filed

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