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2 081 915

(13)

C1

(51)

IPC

(21) (22)

Application

96111169/13, 1996-06-14

(22)

Actual filing date

1996-06-14

(45)

Published

1997-06-20

(72)

Inventor

Trukhacheva Tat'Jana Viktorovna[By]Voronin Sergej Petrovich[Ru]Ermolenko Tat'Jana Mikhajlovna[By]Gubina Ljudmila Petrovna[By]Rudoj Aleksandr Leonidovich[By]Shkumatov Vladimir Makarovich[By]Avdeev Pavel Vjacheslavovich[Ru]Zemskov Vladimir Mikhajlovich[Ru]Khaitov Rakhim Musaevich[Ru]

(73)

Holder

Nauchno-Proizvodstvennoe PredprijatieNauchno-Issledovatel'Skij I Proektno-Konstruktorskij Mediko-BiotekhnologicheskijSaratovskij Nauchno-Issledovatel'Skij Biokataliza

METHOD OF SODIUM NUCLEINATE PREPARING Russian patent published in 1997 - IPC

Abstract RU 2081915 C1

FIELD: microbiological industry, biotechnology. SUBSTANCE: ribonucleic acid is extracted from yeast biomass, biomass is separated and extract is treated with proteolytic enzyme followed by pH value decrease to 3.8-4.2 and extract is heated to 80-100 C. Then impurities were removed from extract and the end product is precipitated as calcium salt with calcium chloride, washed and precipitated with mineral acid. EFFECT: improved method of preparing. 2 cl, 2 tbl

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RU 2 081 915 C1

Authors

Trukhacheva Tat'Jana Viktorovna[By]

Voronin Sergej Petrovich[Ru]

Ermolenko Tat'Jana Mikhajlovna[By]

Gubina Ljudmila Petrovna[By]

Rudoj Aleksandr Leonidovich[By]

Shkumatov Vladimir Makarovich[By]

Avdeev Pavel Vjacheslavovich[Ru]

Zemskov Vladimir Mikhajlovich[Ru]

Khaitov Rakhim Musaevich[Ru]

Dates

1997-06-20—Published

1996-06-14—Filed

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