| 发明名称 |
Method of increasing viscosity of an aqueous solution with a sulfo betaine polymer |
| 摘要 |
The present invention relates to homopolymers and copolymers of N-(4-sulfoalkyl)N-methyldiallyl ammonium betaines which are useful as aqueous viscosification agents.
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| 申请公布号 |
US4822847(A) |
申请公布日期 |
1989.04.18 |
| 申请号 |
US19870068450 |
申请日期 |
1987.07.01 |
| 申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
SCHULZ, DONALD N.;KALADAS, JEFFREY J. |
| 分类号 |
C08F226/02;(IPC1-7):C08L41/00 |
主分类号 |
C08F226/02 |
| 代理机构 |
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