| 发明名称 |
Synergistic pitch control process utilizing ammonium zirconium and cationic polymers |
| 摘要 |
Pitch control agents comprising a combination of water-soluble zirconium compounds and cationic polymers are described. Ammonium zirconium carbonate is preferred in combination with poly DADMAC and/or with EPI-DMA polymers.
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| 申请公布号 |
US5230774(A) |
申请公布日期 |
1993.07.27 |
| 申请号 |
US19910753549 |
申请日期 |
1991.09.03 |
| 申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
GREER, CAROL S.;JAMES, NANCY P. |
| 分类号 |
D21H21/02 |
主分类号 |
D21H21/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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