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 DE4021275(A1) 申请公布日期 1992.01.09
申请号 DE19904021275 申请日期 1990.07.04
申请人 BASF AG, 6700 LUDWIGSHAFEN, DE 发明人 LORENCAK, PRIMOZ, DR., 6700 LUDWIGSHAFEN, DE;LINHART, FRIEDRICH, DR., 6900 HEIDELBERG, DE;BOECKH, DIETER, DR.;HARTMANN, HEINRICH, DR., 6703 LIMBURGERHOF, DE
分类号 D21C5/02 主分类号 D21C5/02
代理机构 代理人
主权项
地址