| 发明名称 |
Sodium styrene sulfonate-co-sodium-N-(4-sulfophenyl)-maleimide - an improved viscosity control additive. |
| 摘要 |
<p>A new copolymer of sodium styrene sulfonate-co-sodium-N-(4-sulfophenyl)-maleimide has been found to be an improved viscosity control additive for waterbased drilling muds.</p> |
| 申请公布号 |
EP0107316(A1) |
申请公布日期 |
1984.05.02 |
| 申请号 |
EP19830305338 |
申请日期 |
1983.09.13 |
| 申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
THALER, WARREN ALAN;TURNER, SAM RICHARD;WALKER, THAD OSCAR |
| 分类号 |
C08F212/14;C08F22/36;C08F212/00;C08F222/40;C09K8/04;C09K8/24;(IPC1-7):09K7/02 |
主分类号 |
C08F212/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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