Process for the manufacture of aqueous solutions of anti-scaling

Details Process for the manufacture of aqueous solutions of anti-scaling Process for the manufacture of aqueous solutions of anti-scaling

1990-03-29

1993-07-20

Willis, Jr., Prince

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

526271, 526272, 252181, 252 82, 252DIG2, 252DIG11, 210700, C02F 510, C07C 124, C08F21004

Patent

active

052290298

ABSTRACT:
A process for the manufacture of aqueous solutions of anti-scaling agents, starting from maleic anhydride and vinyl acetate (and optionally from a third monomer), characterized in that:

REFERENCES:
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patent: 4223120 (1980-09-01), Kurowsky
patent: 4253968 (1981-03-01), Eastman
patent: 4913823 (1990-04-01), Lipinski et al.
patent: 4929425 (1990-05-01), Hoots et al.
patent: 4944885 (1990-07-01), Chen
patent: 4978465 (1990-12-01), Sprague
Chem Ab 101:216173k, Xu et al. "Synthesis of Maleic Anhydride-Vinyl Acetate-Acrylate Copolymer and Its Efficiency for Scale Inhibition", 1983.
Chem Ab 103: 128720x, Iosifescu et al. "Inhibition of the Deposition of Calcium Carbonate Scale From Geothermal Waters by Anionic Polyelectrolytes" 1984.
Chem Ab 105: 29708j, Shen "Synthesis of Maleic Anhydride-Vinyl Acetate-Acrylolectrile Water Soluble Copolymer as a Scale Inhibiting Agent", 1986.
Chem Ab 111:201306p, Shen et al. "Study and Synthesis of a New Style Scale Inhibitor" 1988.

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