发明名称 |
Processes for the production of paper and paper board |
摘要 |
The use of very high molecular weight polymers which are substantially completely water soluble as flocculants in paper making improves drainage time without adversely affecting formation, even when used in high shear processes.
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申请公布号 |
US5254221(A) |
申请公布日期 |
1993.10.19 |
申请号 |
US19920979895 |
申请日期 |
1992.11.23 |
申请人 |
ALLIED COLLOIDS LIMITED |
发明人 |
LOWRY, PETER;FARRAR, DAVID |
分类号 |
D21H17/44;D21H17/45;D21H21/10;D21H23/16;(IPC1-7):D21H17/45 |
主分类号 |
D21H17/44 |
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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