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Application

94005395/04, 1994-02-15

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Actual filing date

1994-02-15

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Published

1997-09-27

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Inventor

Imashev U.B.Khajrudinov I.R.Kut'In Ju.A.Giljaziev R.F.Mingaraev S.S.Khamitov G.G.Svinkovskij V.M.Sultanov F.M.Bikbulatov M.S.

(73)

Holder

Institut Problem Neftekhimpererabotki An Respubliki Bashkortostan

METHOD FOR PRODUCTION OF ROAD BITUMENS Russian patent published in 1997 - IPC

Abstract RU 2091428 C1

FIELD: petrochemistry. SUBSTANCE: petroleum residues are affected by deasphalting by propane-butane solvent which comprises 9.0-45.0 mass % of propane. Thus prepared asphalt is mixed with petroleum diluent. Extract of selective purification, residual petroleum asphalt, mazut and other petroleum products having similar viscosity are used as said diluents. EFFECT: improved efficiency of the method. 3 cl, 1 tbl

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RU 2 091 428 C1

Authors

Imashev U.B.

Khajrudinov I.R.

Kut'In Ju.A.

Giljaziev R.F.

Mingaraev S.S.

Khamitov G.G.

Svinkovskij V.M.

Sultanov F.M.

Bikbulatov M.S.

Dates

1997-09-27—Published

1994-02-15—Filed

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