| 发明名称 |
METHOD OF PREPARING BITUMEN |
| 摘要 |
FIELD: oil refining industry. SUBSTANCE: oil stock is oxidized with atmospheric air at 240-260 C in the presence of residue resulting from rectification of hydrodealkylate of pyrocondensate benzene-toluene fraction in amount of 2-6 wt % per stock. EFFECT: improved plastic and adhesive properties of bitumens and accelerated oxidation process. 7 ex, 1 tbl
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| 申请公布号 |
RU2119523(C1) |
申请公布日期 |
1998.09.27 |
| 申请号 |
RU19970110330 |
申请日期 |
1997.06.17 |
| 申请人 |
EVDOKIMOVA NATAL'JA GEORGIEVNA;LOBANOV VIKTOR VLADIMIROVICH;ZHIRNOV BORIS SEMENOVICH;SEMENOV EVGENIJ MIKHAJLOVICH;VOL'MAN JURIJ KHILICH;GIZATULLIN RIM RIFGATOVICH;SHAUL'SKIJ JURIJ MIKHAJLOVICH |
发明人 |
EVDOKIMOVA NATAL'JA GEORGIEVNA;LOBANOV VIKTOR VLADIMIROVICH;ZHIRNOV BORIS SEMENOVICH;SEMENOV EVGENIJ MIKHAJLOVICH;VOL'MAN JURIJ KHILICH;GIZATULLIN RIM RIFGATOVICH;SHAUL'SKIJ JURIJ MIKHAJLOVICH |
| 分类号 |
C10C3/04;(IPC1-7):C10C3/04 |
主分类号 |
C10C3/04 |
| 代理机构 |
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代理人 |
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| 地址 |
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