发明名称 |
VERFAHREN ZUR RUECKGEWINNUNG VON FASERN |
摘要 |
<p>Fibre recovery process for pressure-sensitive carbonless copying paper which comprises defibrating the wastage in aqueous media, preferably in the presence of a cationic quaternary ammonium surface active agent, treating the wastage with acid to destroy the microcapsules, and bleaching the defibrated wastage with a bleaching agent.</p> |
申请公布号 |
DE2919866(A1) |
申请公布日期 |
1979.11.29 |
申请号 |
DE19792919866 |
申请日期 |
1979.05.17 |
申请人 |
THE WIGGINS TEAPE GROUP LTD. |
发明人 |
SINCLAIR,PETER;HASLER,JOHN;HAZEL BURNS,EILEEN |
分类号 |
B41M5/124;D21C5/02;(IPC1-7):D21C5/02 |
主分类号 |
B41M5/124 |
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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