发明名称 |
Process for making phosphorus halides and oxyhalides |
摘要 |
Disclosed is a process for producing phosphorous trichloride, phosphorous pentachloride, or phosphorous tribromide by reacting phosphine gas with chlorine gas or bromine gas, in a mixture with hydrogen gas. The phosphine is dried and the reaction is performed at a temperature up to about 250° C. The phosphorous trichloride or phosphorous tribromide product can be reacted with oxygen to form phosphorous oxychloride or phosphorous oxybromide, respectively.
|
申请公布号 |
US6685904(B1) |
申请公布日期 |
2004.02.03 |
申请号 |
US19980061754 |
申请日期 |
1998.04.16 |
申请人 |
OCCICDENTAL CHEMICAL CORPORATION |
发明人 |
BUCKHOLTZ HARRY E.;HISHAM MOHAMED W. |
分类号 |
C01B25/10;(IPC1-7):C01B25/10 |
主分类号 |
C01B25/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|