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2 027 762

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IPC

(21) (22)

Application

4954403/13, 1991-06-28

(22)

Actual filing date

1991-06-28

(45)

Published

1995-01-27

(72)

Inventor

Bashkovich A.P.Puchkov A.I.Fedonina E.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Tekhnologicheskij Institut Antibiotikov I Fermentov Meditsinskogo Naznachenija"

METHOD OF PREPARING OF PURINE-CONTAINING PRODUCTS Russian patent published in 1995 - IPC

Abstract RU 2027762 C1

FIELD: biotechnology. SUBSTANCE: concentration of native solution is carried out up to the kinematic viscosity coefficient 2-10 sSt following by its crystallization at temperature from -20 to +20 C, at pH 4.5-6.0 and separation of crystals of the first purine-containing product from the mother liquid by dehydration of mother liquid at 60-180 C up to the preparing of the second purine-containing product. EFFECT: improved method of purine products preparing. 4 tbl

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RU 2 027 762 C1

Authors

Bashkovich A.P.

Puchkov A.I.

Fedonina E.A.

Dates

1995-01-27—Published

1991-06-28—Filed

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