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2 081 174

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C1

(51)

IPC

(21) (22)

Application

94031910/13, 1994-08-31

(22)

Actual filing date

1994-08-31

(45)

Published

1997-06-10

(72)

Inventor

Ustjuzhanina I.Ju.Uzhegov A.V.

(73)

Holder

Aktsionernoe Kurganskoe Obshchestvo Meditsinskikh Preparatov I Izdelij

METHOD OF ISOLATION OF PHENOXYMETHYLPENICILLINIC ACID Russian patent published in 1997 - IPC

Abstract RU 2081174 C1

FIELD: biotechnology, antibiotics. SUBSTANCE: method involves filtration of cultural fluid, precipitation of technical phenoxymethylpenicillinic acid from native solution, its dissolving in acetone up to concentration 100000-200000 U/ml followed by filtration and isolation of the end product. EFFECT: improved method of antibiotic isolation. 3 cl

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RU 2 081 174 C1

Authors

Ustjuzhanina I.Ju.

Uzhegov A.V.

Dates

1997-06-10—Published

1994-08-31—Filed

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