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2 552 468

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(51)

IPC

C10C3/04(2006-01-01)

C08L95/00(2006-01-01)

(21) (22)

Application

2014105858/05, 2014-02-18

(24)

Start date

2014-02-18

(22)

Actual filing date

2014-02-18

(45)

Published

2015-06-10

(72)

Inventor

Gureev Aleksej AndreevichLakomykh Aleksej Valer'EvichOverin Denis IgorevichMoiseeva Alina Evgen'EvnaPopkova Viktorija VjacheslavovnaZajchenko Vladimir Anatol'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Npz"

METHOD OF PRODUCING ROAD BITUMEN Russian patent published in 2015 - IPC C10C3/04 C08L95/00

Abstract RU 2552468 C1

FIELD: chemistry.

SUBSTANCE: method includes oxidising bitumen raw material with relative viscosity $R V_{5}^{80} = 60 \div 100 c$ to obtain a well-oxidised product with a melting point in the range of 80-110°C, followed by blending thereof with straight-run tar $R V_{5}^{80} \geq 60 c$ in concentration of 45-60 wt % to obtain the desired road bitumen with elasticity of not less than 35%.

EFFECT: improved longevity.

1 tbl, 3 ex

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RU 2 552 468 C1

Authors

Gureev Aleksej Andreevich

Lakomykh Aleksej Valer'Evich

Overin Denis Igorevich

Moiseeva Alina Evgen'Evna

Popkova Viktorija Vjacheslavovna

Zajchenko Vladimir Anatol'Evich

Dates

2015-06-10—Published

2014-02-18—Filed