| 发明名称 |
DETACKIFICATION OF ADHESIVE MATERIALS CONTAINED IN SECONDARY FIBER |
| 摘要 |
<p>The present invention involves the use of a polymeric material comprised of polyvinyl alcohol moieties to control the depositing tendency of adhesive materials contained in waste paper and paper products which are being utilized to produce finished paper products.</p> |
| 申请公布号 |
CA1270607(A) |
申请公布日期 |
1990.06.26 |
| 申请号 |
CA19860510689 |
申请日期 |
1986.06.03 |
| 申请人 |
BETZ LABORATORIES, INC. |
发明人 |
MORELAND, ROBERT D. |
| 分类号 |
D21C5/02;D21C9/08;(IPC1-7):D21C5/02 |
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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