| 发明名称 |
PROCEDE POUR LA REGENERATION DE PAPIERS VIEUX |
| 摘要 |
<p>Process for reclaiming waste paper without deinking which involves pulping the waste paper in the presence of soft water and then adding to the pulp thus obtained a compound capable of liberating, in aqueous solution, ions with a positive charge equal to or greater than 2.</p> |
| 申请公布号 |
PT71937(B) |
申请公布日期 |
1981.08.31 |
| 申请号 |
PT19800071937 |
申请日期 |
1980.10.20 |
| 申请人 |
INTEROX SOCIETE ANONYME |
发明人 |
JEAN DE CEUSTER;PAUL DUPREZ |
| 分类号 |
D21C5/02;(IPC1-7):21C5/02 |
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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