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Application

2002102028/04, 2002-01-21

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Start date

2002-01-21

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Actual filing date

2002-01-21

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Published

2003-07-27

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Inventor

Lagutenko N.M.Zakharov V.A.Izvozchikov V.P.Ovchinnikova T.F.Alimova M.N.Lavrinenko A.M.Boldinov V.A.Esipko E.A.

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Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF MANUFACTURING BITUMEN BINDER FOR ROOFING MATERIALS Russian patent published in 2003 - IPC

Abstract RU 2209229 C1

FIELD: petroleum processing and petrochemistry. SUBSTANCE: roofing bitumen is manufactured by oxidation of petroleum processing residues, in particular mixture of heavy residual oil fractions and fractions of vacuum distillation of mazut such as, e.g., mixture of darkened vacuum distillation fraction 420-470+ C, in which portion boiling away by 500 C reaches to at least 25 vol %, and vacuum gas oil fraction 330-530 C taken at ratios between 99:1 and 80:20. Raw material is oxidized at 200-280 C at air flow rate 90-110 cu. m/h per 1 t raw material for 4-7 h. EFFECT: increased plasticity of product, reduced power consumption, and extended source of raw materials. 4 tbl, 5 ex

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RU 2 209 229 C1

Authors

Lagutenko N.M.

Zakharov V.A.

Izvozchikov V.P.

Ovchinnikova T.F.

Alimova M.N.

Lavrinenko A.M.

Boldinov V.A.

Esipko E.A.

Dates

2003-07-27—Published

2002-01-21—Filed