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2 130 044

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IPC

(21) (22)

Application

98101147/04, 1998-01-12

(22)

Actual filing date

1998-01-12

(45)

Published

1999-05-10

(72)

Inventor

Ippolitov E.V.Pranovich A.A.Grudnikov I.B.Chistjakov V.N.Kolesov V.V.

(73)

Holder

Ippolitov Evgenij Vasil'EvichPranovich Aleksandr AleksandrovichGrudnikov Igor' BorisovichChistjakov Vadim NikolaevichKolesov Viktor Vasil'Evich

METHOD OF PREPARING BITUMEN Russian patent published in 1999 - IPC

Abstract RU 2130044 C1

FIELD: oil refining industry and production of highway bitumen. SUBSTANCE: method comprises thoroughly stirring (compounding) residue oxidation product resulting from atmospheric vacuum distillation of highly resinous low paraffin base petroleum in amount of 17-46 wt % with respect to residual petroleum tars at 145-170 C for at least 10 min. EFFECT: simpler compounding process and wider range of raw materials used. 3 dwg, 3 tbl

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RU 2 130 044 C1

Authors

Ippolitov E.V.

Pranovich A.A.

Grudnikov I.B.

Chistjakov V.N.

Kolesov V.V.

Dates

1999-05-10—Published

1998-01-12—Filed