| 发明名称 |
A suspending medium for water soluble polymer. |
| 摘要 |
<p>A new stable liquid suspension of water soluble polymer, and a method of preparation are provided. Such compositions comprise of at least an iso-parrafinic oil medium, one styrene/isoprene copolymer, a water soluble polymer and preferably some hydrophobic fumed silica mixed together in the appropriate quantities and conditions.</p> |
| 申请公布号 |
EP0454057(A2) |
申请公布日期 |
1991.10.30 |
| 申请号 |
EP19910106516 |
申请日期 |
1991.04.23 |
| 申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
HOSTETTLER, JOHN EDWARD;BISHOP, MARSHALL D. |
| 分类号 |
C09K8/04;C04B28/02;C08F2/16;C08J3/02;C08J3/09;C08L5/00;C09D191/00;C09K8/32;C09K8/46;E21B21/00 |
主分类号 |
C09K8/04 |
| 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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