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2 041 915

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C1

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IPC

(21) (22)

Application

93002811/04, 1993-01-15

(22)

Actual filing date

1993-01-15

(45)

Published

1995-08-20

(72)

Inventor

Evseev V.S.Gavrilova T.I.Dumskij Ju.V.Folijants A.E.Majdanov V.D.Krivenko L.N.Legkostup V.I.

(73)

Holder

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

METHOD FOR PRODUCTION OF ROAD ASPHALT Russian patent published in 1995 - IPC

Abstract RU 2041915 C1

FIELD: petroleum chemistry. SUBSTANCE: mixture of tar and oil deasphalting asphalt are subjected to oxidation by air. Use is made of tar featuring A+R-2.5P > O, where A,R and P are content in oil asphaltenes (A), resins (R) and paraffins (P), and asphalt produced by deep oil deasphalting featuring A+R-2.5P < O and the following composition, mas. paraffin-naphthene hydrocarbons 9.0-19.0; aromatic hydrocarbons 61.0-73.0 including monocyclic aromatic hydrocarbons 19.0-23.0 m bicycle aromatic hydrocarbons 10.0-14.0; the balance, polycyclic hydrocarbons; resins 11.0-16.0; the balance, asphaltenes. EFFECT: higher efficiency. 4 tbl

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RU 2 041 915 C1

Authors

Evseev V.S.

Gavrilova T.I.

Dumskij Ju.V.

Folijants A.E.

Majdanov V.D.

Krivenko L.N.

Legkostup V.I.

Dates

1995-08-20—Published

1993-01-15—Filed

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