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2 098 959

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C1

(51)

IPC

(21) (22)

Application

95105240/14, 1995-04-11

(22)

Actual filing date

1995-04-11

(45)

Published

1997-12-20

(72)

Inventor

Selivanov E.A.Krivtsova I.M.Mel'Nikova V.N.Pleshakov V.T.Degtereva I.N.

(73)

Holder

Rossijskij Nauchno-Issledovatel'Skij Institut Gematologii I Transfuziologii

METHOD OF PREPARING THE PRESERVING AGENT FOR ERYTHROCYTES Russian patent published in 1997 - IPC

Abstract RU 2098959 C1

FIELD: medicine, hematology. SUBSTANCE: method involves dissolving gelatin in water, its thermic destruction in an aqueous solution and deionization on ion-exchange resins, gelatin hydrolysis, addition of sodium disubstituted hydrocitrate to solution, solution neutralization, addition of sodium chloride and sterilizing filtration. Before neutralization the sterilized adenine an aqueous solution is added to solution additionally at 50-60 C up to its concentration in preserving agent 0.30-0.45 g/l; also, sodium hydrogen phosphate is added to solution up to its concentration in preserving agent 3.5-4.5 g/l. Gelatin deionization is carried out on cation-exchange resins. EFFECT: enhanced effectiveness of preserving agent. 1 tbl

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RU 2 098 959 C1

Authors

Selivanov E.A.

Krivtsova I.M.

Mel'Nikova V.N.

Pleshakov V.T.

Degtereva I.N.

Dates

1997-12-20—Published

1995-04-11—Filed

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