| 发明名称 |
VERFAHREN ZUM DEINKING VON BEDRUCKTEN PAPIEREN. |
| 摘要 |
<p>Process for de-inking printed papers by soaking the papers in an aqueous medium in the presence of water-soluble or water-dispersible polymeric amphiphile compounds in which the hydrophilic and hydrophobic parts consist of condensed and/or polymerised monomer units and alkali and, where applicable, further customary de-inking aids, followed by cleaning the waste paper by washing or flotation.</p> |
| 申请公布号 |
AT115660(T) |
申请公布日期 |
1994.12.15 |
| 申请号 |
AT19910911822T |
申请日期 |
1991.06.25 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
LORENCAK, PRIMOZ;LINHART, FRIEDRICH;BOECKH, DIETER;HARTMANN, HEINRICH |
| 分类号 |
D21C5/02;(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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