| 发明名称 |
Carbohydrazones in the treatment of boiler water. |
| 摘要 |
<p>The invention is directed to controlling corrosion in boiler systems and more particularly to treating boiler water with carbohydrazones to remove dissolved oxygen and to passivate metal surfaces. Carbohydrazones of the formulae <CHEM> or <CHEM> are claimed per se.l</p> |
| 申请公布号 |
EP0567275(A2) |
申请公布日期 |
1993.10.27 |
| 申请号 |
EP19930302962 |
申请日期 |
1993.04.16 |
| 申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
KELLEY, DOUGLAS G.;ROGERS, DEBORAH M.;SWIECINSKI, FREDERICK J. |
| 分类号 |
C02F1/58;C02F1/20;C09K15/20;C23F11/14;(IPC1-7):C23F11/14 |
主分类号 |
C02F1/58 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
