| 发明名称 |
Polyacrylic acids and methyl vinyl ether/maleic anhydride copolymers as soft scale inhibitors |
| 摘要 |
A method is disclosed for inhibiting soft scale precipitation in black liquor systems by adding thereto a treatment comprising in combination polyacrylic acid and methyl vinyl ether/maleic anhydride copolymer.
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| 申请公布号 |
US4255309(A) |
申请公布日期 |
1981.03.10 |
| 申请号 |
US19790066953 |
申请日期 |
1979.08.16 |
| 申请人 |
BETZ LABORATORIES, INC. |
发明人 |
KLAESSIG, FREDERICK C.;JACQUES, DONALD F. |
| 分类号 |
C02F5/10;C08L33/02;C08L35/08;D21C11/10;(IPC1-7):C08L33/02 |
主分类号 |
C02F5/10 |
| 代理机构 |
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| 主权项 |
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| 地址 |
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