Compositions and methods for water clarification

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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210734, 210917, 252358, 536 3, 5361231, C02F 152

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active

057387958

ABSTRACT:
Copolymers of low molecular weight polysaccharides and cationic monomers, their method of production and method of using as water treatment agents are disclosed. Preferably the copolymer comprises alginic acid and methyl chloride quaternary salt of dimethylaminoethyl acrylate.

REFERENCES:
patent: 3332933 (1967-07-01), Schweiger
patent: 3376282 (1968-04-01), Schweiger
patent: 3823100 (1974-07-01), Rothwell et al.
patent: 4501834 (1985-02-01), Su
patent: 4528111 (1985-07-01), Su
patent: 4612268 (1986-09-01), Miura et al.
patent: 4721760 (1988-01-01), Graafland
patent: 4758282 (1988-07-01), Stober et al.
patent: 4876034 (1989-10-01), Hirota et al.
patent: 4956104 (1990-09-01), Cowan et al.
patent: 4990270 (1991-02-01), Meister
patent: 5045593 (1991-09-01), Cowan et al.
patent: 5112903 (1992-05-01), Sakakibara et al.
patent: 5416174 (1995-05-01), Shimizu et al.
patent: 5431783 (1995-07-01), Honig
patent: 5478477 (1995-12-01), Ramesh et al.
patent: 5492982 (1996-02-01), Shimizu et al.
patent: 5512277 (1996-04-01), Uemura et al.
patent: 5583193 (1996-12-01), Aravindakshan et al.
Betz Handbook of Industrial Water Conditioning, Ninth Edition, 1991, pp. 23-30, Betz Laboratories, Inc., Trevose PA.
"Secondary and Tertiary Structure of Polysaccharides in Solutions and Gels," Rees and Welsh, Agnew. Chem. Int. Ed. Engl. 16, 214-224(1977).
Roy L. Whistler, Industrial Gums Polysaccharides and their Derivatives, (Academic Press, NY, NY, 1973) p. 74, copyright 1973.

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