Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1996-07-17
1998-06-30
Schofer, Joseph L.
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210745, 526268, 526310, B01D 2101, C02F 156, C08F22400, C08F22602
Patent
active
057728941
ABSTRACT:
Disclosed are the Rhodamine B esters of hydroxy C.sub.2 -C.sub.6 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.
REFERENCES:
patent: 4654378 (1987-03-01), Hunter et al.
patent: 4826606 (1989-05-01), Becker et al.
Cramm Jeffrey R.
Johnson Brian S.
Reed Peter E.
Ward William J.
Cheng Wu C.
Cummings Kelly L.
Miller Robert A.
Nalco Chemical Company
Schofer Joseph L.
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