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2 065 471

(13)

C1

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IPC

(21) (22)

Application

93040873/04, 1993-08-12

(22)

Actual filing date

1993-08-12

(45)

Published

1996-08-20

(72)

Inventor

Nekrasov N.N.Ushatinskaja O.P.Kartashev A.K.Os'Mushnikov A.N.Nekrasov A.N.Deev A.Ju.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD OF BITUMEN PRODUCING Russian patent published in 1996 - IPC

Abstract RU 2065471 C1

FIELD: petroleum chemistry. SUBSTANCE: parental asphalt is separated for 2-6 portions. Every portion is subjected for homogenization separately. The first portion is mixed with preliminary homogenized oxidizing agent, obtained mixture then subjected for successively homogenization in mixture with every portion of homogenized asphalt followed by exposition of ready homogenized mixture in time at constant temperature. Homogenization is carried out at 4-8 kgf/cm2.. Before treatment described petroleum asphalt and oxidizer were emulsified. EFFECT: improved method of bitumen producing. 3 cl, 12 tbl, 3 dwg

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RU 2 065 471 C1

Authors

Nekrasov N.N.

Ushatinskaja O.P.

Kartashev A.K.

Os'Mushnikov A.N.

Nekrasov A.N.

Deev A.Ju.

Dates

1996-08-20—Published

1993-08-12—Filed

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