| 发明名称 |
Process for the preparation of dithiophosphoric acids |
| 摘要 |
PCT No. PCT/EP90/00055 Sec. 371 Date Apr. 6, 1993 Sec. 102(e) Date Apr. 6, 1993 PCT Filed Jan. 9, 1990 PCT Pub. No. WO90/07512 PCT Pub. Date Jul. 12, 1990Dithiophosphoric acids are advantageously produced by reaction of an alcohol or phenol with phosphorus sesquisulphide in the presence of sulphur, preferably at the reflux temperature of the alcohol used.
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| 申请公布号 |
US5703262(A) |
申请公布日期 |
1997.12.30 |
| 申请号 |
US19930573209 |
申请日期 |
1993.04.06 |
| 申请人 |
EXXON CHEMICAL PATENTS INC |
发明人 |
COLCLOUGH, TERENCE;SKINNER, PHILIP;WOOLLINS, JOHN DEREK;WOOD, PAUL THOMAS |
| 分类号 |
C07F9/165;C07F9/17;C07F9/18;C10M137/10;(IPC1-7):C07F9/18 |
主分类号 |
C07F9/165 |
| 代理机构 |
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| 地址 |
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