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2 322 493

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(51)

IPC

C12N1/20(2006-01-01)

C12P19/04(2006-01-01)

C12R1/01(2006-01-01)

C08B37/00(2006-01-01)

(21) (22)

Application

2006127257/13, 2006-07-27

(24)

Start date

2006-07-27

(22)

Actual filing date

2006-07-27

(45)

Published

2008-04-20

(72)

Inventor

Vinokurov Vladimir Arnol'DovichBabenko Vladimir FedorovichBarkov Artem VadimovichGolubeva Ljudmila AleksandrovnaPirog Tat'Jana PavlovnaGrinberg Tamara Aleksandrovna

(73)

Holder

Federal'Noe Agentstvo Po Obrazovaniju Rossijskij Gosudarstvennyj Universitet Nefti I Gaza Im. I.M. GubkinaZakrytoe Aktsionernoe Obshchestvo

MICROORGANISM STRAIN PARACOCCUS DENITRIFICANS AS PRODUCER OF EXOPOLYSACCHARIDE AND EXOPOLYSACCHARIDE Russian patent published in 2008 - IPC C12N1/20 C12P19/04 C12R1/01 C08B37/00

Abstract RU 2322493 C1

FIELD: biotechnology, microbiological industry.

SUBSTANCE: invention relates to a novel culture of microorganism producing high-molecular exopolysaccharide. Invention proposes the strain of microorganism Paracoccus denitrificans VKPM B-8617 that produces exopolysaccharide possessing cross-linking properties in aqueous and water-containing hydrocarbon systems. Exopolysaccharide is formed by residues of glucose, galactose, mannose and rhamnose in the ratio = 52:4:1, respectively, and comprises glucuronic and pyruvic acids, and acyl groups also and has molecular mass (0.5 x 10⁶)-(2 x 10⁷) Da. This exopolysaccharide is able to form pseudoplastic and thixotropic highly viscous solutions showing stable values of dynamic viscosity in the range of temperature from 20°C to 90°C and unstratifying emulsions. Proposed exopolysaccharide can be used in building, paper, textile, perfume-cosmetic, food, chemical, oil- and gas-extracting industry, agriculture, and in pharmaceutics and medicine.

EFFECT: valuable properties of strain and exopolysaccharide.

2 cl, 9 ex

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RU 2 322 493 C1

Authors

Vinokurov Vladimir Arnol'Dovich

Babenko Vladimir Fedorovich

Barkov Artem Vadimovich

Golubeva Ljudmila Aleksandrovna

Pirog Tat'Jana Pavlovna

Grinberg Tamara Aleksandrovna

Dates

2008-04-20—Published

2006-07-27—Filed