| 发明名称 |
Method for reducing deposition of cokes in heat refining process of petroleum high molecular hydrocarbons and additive used in the method |
| 摘要 |
<p>A method for reducing deposition of cokes in a heat-refining process for petroleum high-molecular hydrocarbons, characterized in that heat-treatment in a heating unit is effected in the presence of at least one compound (I) having at least one mercaptoalkylthio group: HS-CmH2m-S- in which m is an integer of from 2 to 4. <IMAGE></p> |
| 申请公布号 |
EP0816475(A2) |
申请公布日期 |
1998.01.07 |
| 申请号 |
EP19970110655 |
申请日期 |
1997.06.30 |
| 申请人 |
NIPPON SHOKUBAI CO., LTD.;ELF ATOCHEM S.A. |
发明人 |
HATANAKA, TOSHIFUMI;HATA, KAZUY;KAWAMURA, TESUSHI;ITOH, HIROKAZU;ARITA, YOSHIHIRO |
| 分类号 |
C10G75/04;(IPC1-7):C10G75/04;C10L1/24;C10G9/16 |
主分类号 |
C10G75/04 |
| 代理机构 |
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