| 发明名称 |
PROCESS FOR THE PREPARATION OF 4,4'-DIHALOGENO-BISPHENYLS |
| 摘要 |
<p>4,4'-Dihalobiphenyls can be prepared by catalysed halogenation of biphenyls with halogenating agents, zeolites with pore widths of at least 5 ANGSTROM being employed as catalysts. </p> |
| 申请公布号 |
EP0334097(A3) |
申请公布日期 |
1990.07.11 |
| 申请号 |
EP19890103980 |
申请日期 |
1989.03.07 |
| 申请人 |
BAYER AG |
发明人 |
BOTTA, ARTUR, DR.;BUYSCH, HANS-JOSEF, DR.;PUPPE, LOTHAR, DR. |
| 分类号 |
B01J29/06;B01J29/18;B01J29/40;B01J29/60;B01J29/65;B01J29/86;C07B31/00;C07B39/00;C07B61/00;C07C17/00;C07C17/12;C07C17/20;C07C25/18;C07C27/00;C07C37/62;C07C39/15;C07C41/00;C07C41/22;C07C43/225;C07C67/00;(IPC1-7):C07C25/18 |
主分类号 |
B01J29/06 |
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