METHOD FOR PRODUCTION OF BITUMEN Russian patent published in 1997 - IPC

Abstract RU 2083634 C1

FIELD: production of bitumen of asphalt of propane deasphalting, oil processing, road building and building industry. SUBSTANCE: method involves oxidation of asphalt of propane deasphalting, special additive being used. Vat residue of rectification of synthetic fatty acids is used as said additive, its quantity being 5-20 mass % of raw materials mass. EFFECT: increased quantity of asphalt. 2 tbl

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RU 2 083 634 C1

Authors

Aleksandrova S.L.

Mikheev G.M.

Sinel'Nikova V.K.

Dates

1997-07-10—Published

1995-09-29—Filed