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2 021 284

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IPC

(21) (22)

Application

4940042/05, 1991-05-30

(22)

Actual filing date

1991-05-30

(45)

Published

1994-10-15

(72)

Inventor

Persanova L.V.Donetskij I.A.Khljabich G.N.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij Institut Tekhnologii Krovezamenitelej I Gormonal'Nykh Preparatov

METHOD OF DEXTRAN CLINICAL FRACTIONS PURIFICATION Russian patent published in 1994 - IPC

Abstract RU 2021284 C1

FIELD: chemical-pharmaceutical industry. SUBSTANCE: aqueous solutions of clinical dextran fractions are passed successively through sulfocationite made on the basis copolymer of styrene with divinylbenzene with macroporous structure at pH 4.0-5.5 and then - through anionite - macroporous copolymer of styrene with divinylbenzene containing benzyltrimethylammonium groups, at pH 8.0-9.5. EFFECT: improved method of dextran purification.

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RU 2 021 284 C1

Authors

Persanova L.V.

Donetskij I.A.

Khljabich G.N.

Dates

1994-10-15—Published

1991-05-30—Filed

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