发明名称 |
A PROCESS FOR THE PREPARATION OF TETRABROMOBISPHENOL-A |
摘要 |
<p>This invention relates to a process for the production of tetrabromobisphenol-A by the bromination of bisphenol-A, which process features: (a) feeding to a reaction mass (i) bisphenol-A and (ii) a stream of gaseous bromine, the gaseous stream having a Reynold's No. >/=40,000; (b) the reaction mass containing from about 50 to about 20,000 ppm unreacted bromine and less than 20 wt % HBr; and (c) the reaction mass having precipitated therefrom tetrabromobisphenol-A, all of (a)(ii), (b) and (c) occurring during the bisphenol-A feed.</p> |
申请公布号 |
EP1086069(B1) |
申请公布日期 |
2004.02.18 |
申请号 |
EP19990922906 |
申请日期 |
1999.05.10 |
申请人 |
ALBEMARLE CORPORATION |
发明人 |
HOLUB, RICHARD, A.;ALFERI, STEVEN, R.;MCKINNIE, BONNIE, G.;ELNAGAR, HASSAN, Y. |
分类号 |
C07C39/367;C07C37/62;(IPC1-7):C07C39/367 |
主分类号 |
C07C39/367 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|