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IPC

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Application

97105981/25, 1997-04-15

(22)

Actual filing date

1997-04-15

(45)

Published

1998-11-27

(72)

Inventor

Israfilov A.G.Ljutov A.G.Kudasheva G.B.Batalova T.A.Enikeeva S.A.

(73)

Holder

Gosudarstvennoe Predprijatie Nauchno-Proizvodstvennoe Ob"Edinenie

ULTRAFILTRATION METHOD OF DEPYROGENIZATION OF PREPARATIONS Russian patent published in 1998 - IPC

Abstract RU 2122463 C1

FIELD: pharmaceutical industry. SUBSTANCE: invention relates to production of drugs with molecular weight less than 10000 Da and may be used for purification of drugs by removing pyrogenic substances. The latter is accomplished by single or double ultrafiltration at pH 1.5 to 4.0. EFFECT: enhanced purification efficiency. 1 tbl, 5 ex

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RU 2 122 463 C1

Authors

Israfilov A.G.

Ljutov A.G.

Kudasheva G.B.

Batalova T.A.

Enikeeva S.A.

Dates

1998-11-27—Published

1997-04-15—Filed

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