发明名称 |
Derivatized rhodamine dye and its copolymers |
摘要 |
Disclosed are the Rhodamine B esters of hydroxy C2-C6 lower alkyl acrylates. Specifically, the hydroxy lower alkyl radical is a linear hydroxy lower alkyl radical having the hydroxy group attached to the terminal carbon atom. Also shown are copolymers of diallyldimetyl ammonium chloride which contains from 0.01-2 mole percent of these Rhodamine B esters and their use in treating industrial waters.
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申请公布号 |
US5772894(A) |
申请公布日期 |
1998.06.30 |
申请号 |
US19960682497 |
申请日期 |
1996.07.17 |
申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
WARD, WILLIAM J.;CRAMM, JEFFREY R.;REED, PETER E.;JOHNSON, BRIAN S. |
分类号 |
B01D21/01;C02F1/56;C09B11/28;C09B69/10;G01N21/64;(IPC1-7):B01D21/01;C08F224/00;C08F226/02 |
主分类号 |
B01D21/01 |
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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