发明名称 LIANT PENTRU CONSTRUCTII DE DRUMURI
摘要 <p>This invention relates to a plasticized coal tar pitch comprising a mixture consisting essentially of about 50 to about 80 weight percent of a coal tar pitch having a softening point of about 40 DEG to about 75 DEG C. (Krämer-Sarnow); and about 50 to about 20 weight percent of a coal tar fraction rich in crystals and having a boiling point of about 350 DEG C. to about 450 DEG C. The mixture is suitable for blending with crude oil bitumen for producing a binder suitable for application to roadways.</p>
申请公布号 RO79811(A) 申请公布日期 1982.09.09
申请号 RO19770090420 申请日期 1977.05.20
申请人 RUTGERSWERKE AG,DE 发明人 LOUIS,HEINRICH,DE;KOHLER,HELMUT,DE;OBERBUSCH,RUDOLF,DE;COLLIN,GERD,DE;POTSCHKA,VOLKER,DE
分类号 C08L95/00;E01C7/18;(IPC1-7):08L95/00 主分类号 C08L95/00
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