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2 021 309

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IPC

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Application

4924996/05, 1991-01-09

(22)

Actual filing date

1991-01-09

(45)

Published

1994-10-15

(72)

Inventor

Kashirskij A.I.Muljukov F.G.Popov V.V.Rukhlin Ju.N.Svetov A.Ja.Glebov A.V.Puryga T.V.

(73)

Holder

Proizvodstvennoe Ob"Edinenie Juzhnykh Magistral'Nykh Nefteproduktoprovodov

BITUMINOUS COMPOSITION Russian patent published in 1994 - IPC

Abstract RU 2021309 C1

FIELD: protection of pipelines from corrosion. SUBSTANCE: the modified bituminous composition comprises (wt %): 98-99 oxidized bitumen having a thermostability of 44-65 C and 1-2 hexamethylene tetramine. EFFECT: improved properties of the bituminous composition. 1 tbl

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RU 2 021 309 C1

Authors

Kashirskij A.I.

Muljukov F.G.

Popov V.V.

Rukhlin Ju.N.

Svetov A.Ja.

Glebov A.V.

Puryga T.V.

Dates

1994-10-15—Published

1991-01-09—Filed

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