| 发明名称 |
Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness |
| 摘要 |
The present invention relates to a method of increasing the brightness of pulp, pulp made from such methods and methods of using such pulp.
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| 申请公布号 |
US7638016(B2) |
申请公布日期 |
2009.12.29 |
| 申请号 |
US20060445809 |
申请日期 |
2006.06.02 |
| 申请人 |
INTERNATIONAL PAPER COMPANY |
发明人 |
NGUYEN XUAN TRUONG |
| 分类号 |
D21C3/22;D06L3/12 |
主分类号 |
D21C3/22 |
| 代理机构 |
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代理人 |
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