ANTISEPTIC LIQUOR FOR IMPREGNATING WOOD (OPTIONS) Russian patent published in 2004 - IPC

FIELD: petroleum processing products. SUBSTANCE: invention relates to oil-based antiseptic liquor that can be used for impregnating wooden crossties and rods. Liquor contains heavy (boiling range 140-490 C) catalytic cracking gas oil fraction; or the same and organic depressant; or the same heavy fraction in mixture with light (180-400 C) catalytic cracking gas oil fraction; or the same mixture with organic depressant; or the same heavy fraction in mixture with catalytic cracking residual fraction; or mixture of the same heavy fraction with catalytic cracking residual fraction 300-550 C and organic depressant; or the same heavy fraction with catalytic cracking residual fraction 300-550 C; or the same heavy fraction, the same light fraction, the same residual fraction 300-550 C, and organic depressant; or the same light fraction with the same residual fraction 300-550 C; or the same light fraction with organic depressant, the latter being mazut, or goudron, or pyrolysis tar residue, or deasphalting process asphalt, or darkened fraction obtained in vacuum distillation of mazut. EFFECT: expanded resource of antiseptic impregnating liquors. 10 cl, 23 ex