发明名称 Dry-strength system
摘要 The invention relates to resin systems useful for imparting dry-strength to paper without substantially increasing the paper's wet-strength wherein the resin system comprises a cationic component and an anionic component. The invention also relates to the process for incorporating these resin systems into paper and the paper produced containing the resin systems.
申请公布号 US6294645(B1) 申请公布日期 2001.09.25
申请号 US19970900805 申请日期 1997.07.25
申请人 HERCULES INCORPORATED 发明人 ALLEN ANTHONY J.;ECHT ELLIOTT;MASLANKA WILLIAM W.;PETERS JEFFREY C.
分类号 C08G73/02;D21H17/54;D21H21/18;(IPC1-7):C08G69/48;C08L79/02 主分类号 C08G73/02
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