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2 024 573

(13)

C1

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IPC

(21) (22)

Application

5040639/04, 1992-04-29

(22)

Actual filing date

1992-04-29

(45)

Published

1994-12-15

(72)

Inventor

Beljakov M.E.Dumskij Ju.V.Ivolin V.V.Krivenko L.N.Legkostup V.I.Novikov Eh.I.Tarakanov G.A.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij I Konstruktorsko-Tekhnologicheskij Institut Oborudovanija Neftepererabatyvajushchej I Neftekhimicheskoj Promyshlennosti

PROCESS FOR PREPARING BITUMEN Russian patent published in 1994 - IPC

Abstract RU 2024573 C1

FIELD: petrochemistry. SUBSTANCE: the process comprises oxidizing petroleum tar in the presence of a product of oligomerization of heavy resin resulting from the pyrolysis of gaseous and/or liquid hydrocarbon stock in an amount of 1-5% of the weight of tar. The product has a molecular weight of 550-750, an iodine number of 45 and 7 g of iodine per 100 g of the product. EFFECT: improved properties of the bitumen. 3 tbl

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RU 2 024 573 C1

Authors

Beljakov M.E.

Dumskij Ju.V.

Ivolin V.V.

Krivenko L.N.

Legkostup V.I.

Novikov Eh.I.

Tarakanov G.A.

Dates

1994-12-15—Published

1992-04-29—Filed

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