| 发明名称 |
DETACKIFICATION OF ADHESIVE MATERIALS CONTAINED IN SECONDARY FIBER USING VINYLPYRROLIDONE BASED POLYMERS |
| 摘要 |
<p>The present invention pertains to methods for inhibiting the depositing tendency of adhesive materials contained in waste paper and waste paper products during repulping utilizing a vinylpyrrolidone based polymer.</p> |
| 申请公布号 |
CA2091273(A1) |
申请公布日期 |
1993.10.29 |
| 申请号 |
CA19932091273 |
申请日期 |
1993.03.09 |
| 申请人 |
BETZ LABORATORIES, INC. |
发明人 |
LING, TIEN-FENG |
| 分类号 |
D21C5/02;D21H17/33;D21H21/02;(IPC1-7):D21H21/02 |
主分类号 |
D21C5/02 |
| 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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