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发明名称
Retention aids
摘要
Certain copolymers with lower alkyl quaternary ammonium salts of 1-acryloyl-4-methyl piperazine, particularly copolymers containing acrylamide, give outstanding results as fine and filler retention agents used in the manufacture of paper.
申请公布号
US4515658(A)
申请公布日期
1985.05.07
申请号
US19840642280
申请日期
1984.08.20
申请人
NALCO CHEMICAL COMPANY
发明人
FONG, DODD W.
分类号
D21H17/33;D21H17/37;D21H17/45;D21H17/67;(IPC1-7):D21H3/38
主分类号
D21H17/33
代理机构
代理人
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