| 发明名称 |
MULTIPURPOSE SCALE PREVENTER/REMOVER |
| 摘要 |
A process for preventing or removing calcium and rust scale deposits from surfaces which are in contact with aqueous systems comprising adding to the aqueous system 3,5-bis(di-N,N-(carboxymethyl)aminomethyl)-4- hydroxybenzenesulfonic acid in an amount effective to remove the scale and rust deposits.
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| 申请公布号 |
CA2066054(C) |
申请公布日期 |
2002.06.25 |
| 申请号 |
CA19922066054 |
申请日期 |
1992.04.15 |
| 申请人 |
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发明人 |
KREH, ROBERT P.;HENRY, WAYNE L. |
| 分类号 |
C09K3/00;C02F5/00;C02F5/10;C02F5/12;C11D7/34;C23G1/02;C23G1/24;(IPC1-7):C02F5/12;C09K15/26 |
主分类号 |
C09K3/00 |
| 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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