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2 061 488

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IPC

(21) (22)

Application

92009706/14, 1992-12-03

(22)

Actual filing date

1992-12-03

(45)

Published

1996-06-10

(72)

Inventor

Sizov A.I.Shapovalov O.I.Borts M.S.Gaziev Ju.V.Dorfman E.A.Lavrent'Ev V.V.Orlov A.I.Rukavishnikova I.Ju.Sibarova M.N.Isaeva L.V.Suvorov A.V.

(73)

Holder

Sizov Aleksandr Ivanovich

METHOD OF ENTEROSORBENT PRODUCING Russian patent published in 1996 - IPC

Abstract RU 2061488 C1

FIELD: medicinal industry. SUBSTANCE: method involves the alkaline treatment of hydrolytic lignin at 85-90 C, washing off alkaline-soluble compounds by extraction in rising water flow at the rate 0.3-0.6 mm/s at 60-75 C. Neutralization is carried out with carbon dioxide at 40-60 C. Washing off water-soluble components is carried out similar with washing off alkaline-soluble compounds followed by neutralization with acetic acid and isolation of the end product. EFFECT: increased selective capacity of sorbent.

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RU 2 061 488 C1

Authors

Sizov A.I.

Shapovalov O.I.

Borts M.S.

Gaziev Ju.V.

Dorfman E.A.

Lavrent'Ev V.V.

Orlov A.I.

Rukavishnikova I.Ju.

Sibarova M.N.

Isaeva L.V.

Suvorov A.V.

Dates

1996-06-10—Published

1992-12-03—Filed