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2 193 584

(13)

(51)

IPC

(21) (22)

Application

98123034/04, 1997-05-16

(24)

Start date

1997-05-16

(22)

Actual filing date

1997-05-16

(45)

Published

2002-11-27

(72)

Inventor

Khendriks Khenrikus Ehngelbertus JokhannesSternberg KunTerlau TenisVonk Villem Kornelis

(73)

Holder

Shell Internehshnl Riserch Maatskhappij B.V.

BITUMEN COMPOSITIONS AND METHOD OF PREPARATION THEREOF Russian patent published in 2002 - IPC

Abstract RU 2193584 C2

FIELD: petroleum processing. SUBSTANCE: invention provides kerosene-resistant bitumen compositions containing bitumen component, thermoplastic rubber in amount less than 8% and ethylene/vinyl acetate copolymer in amount less than 5% of the total weight of bitumen component, content of vinyl in copolymer ranging from 25 to 35% and thermoplastic rubber being optionally hydrogenated block copolymer. EFFECT: increased resistance to dissolution in petroleum products. 10 cl, 5 ex

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RU 2 193 584 C2

Authors

Khendriks Khenrikus Ehngelbertus Jokhannes

Sternberg Kun

Terlau Tenis

Vonk Villem Kornelis

Dates

2002-11-27—Published

1997-05-16—Filed