发明名称 |
Modified starch composition for removing particles from aqueous dispersions |
摘要 |
Modified starches prepared by cooking an amphoteric or cationic starch and an anionic, amphoteric, or cationic polyacrylamide have utility as a retention aid in the manufacture of paper.
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申请公布号 |
US6048929(A) |
申请公布日期 |
2000.04.11 |
申请号 |
US19980176002 |
申请日期 |
1998.10.21 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MOFFETT, ROBERT HARVEY |
分类号 |
C08B31/00;C08L3/08;D21H17/29;D21H17/37;D21H17/42;D21H17/66;D21H21/10;(IPC1-7):C08G63/48;C08G63/91;C08F16/06 |
主分类号 |
C08B31/00 |
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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