| 发明名称 |
Copolmer formulations for breaking oil-and-water emulsions |
| 摘要 |
A method of breaking oil-in-water and water-in-oil emulsions in crude oil processing systems in which copolymers incorporating a hydrophilic cationic monomer subunit and a lipophilic nonionic monomer subunit or dispersions or emulsions of cationic polymers and obverse demulsifiers are employed.
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| 申请公布号 |
US5921912(A) |
申请公布日期 |
1999.07.13 |
| 申请号 |
US19970001502 |
申请日期 |
1997.12.31 |
| 申请人 |
BETZDEARBORN INC. |
发明人 |
HART, PAUL R.;CHEN, FU;LIAO, WEN P.;BURGESS, WALTER J. |
| 分类号 |
B01D17/04;B01D17/05;(IPC1-7):B01D17/05;C02F1/00 |
主分类号 |
B01D17/04 |
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