| 发明名称 |
Control of scale in aqueous systems using certain phosphonomethyl amine oxides. |
| 摘要 |
<p>This invention relates to controlling scale formation in aqueous systems and more particularly to using certain calcium insensitive phosphonomethyl amine oxide compounds having at least one oxidized tertiary amine group of the formula: <CHEM> and water soluble salts thereof.</p> |
| 申请公布号 |
EP0432664(A1) |
申请公布日期 |
1991.06.19 |
| 申请号 |
EP19900123563 |
申请日期 |
1990.12.07 |
| 申请人 |
W.R. GRACE & CO.-CONN. |
发明人 |
HWA, CHIH M.;KELLY, JOHN ARTHUR;NETON, JANET;SCANLON, PATRICIA M.;GAUDETTE, ROGER R. |
| 分类号 |
C02F5/08;C02F5/00;C02F5/10;C02F5/12;C02F5/14;C07F9/40;C09K3/00;C23F11/167 |
主分类号 |
C02F5/08 |
| 代理机构 |
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代理人 |
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