Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-09-24
1978-05-02
Weinblatt, Mayer
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
25313R, 25217A, 25267E, 210 50, 210 60, 210169, 252 95, 252175, 252187H, C02B 506
Patent
active
040873609
ABSTRACT:
Novel compositions comprising calcium hypochlorite and a proportion of a polyacrylic acid compound have been produced. the compositions provide accurately controlled concentrations of available chlorine to bodies of water such as swimming pools by reducing the solubility off the calcium hypochlorite. In addition, when employing dispensers for water soluble chemicals in treating very hard or highly alkaline water, inhibition of scale formation and prevention of scale build-up in the dispenser is achieved when the novel compositions are used.
REFERENCES:
patent: 3802845 (1974-04-01), Tepas, Jr.
patent: 3846078 (1974-11-01), Brett
patent: 3878037 (1975-04-01), Hansen et al.
patent: 3956165 (1976-05-01), Hansen et al.
Casberg John M.
Cramer Henry R.
Faust John P.
Clements Donald F.
Haglind James B.
O'Day Thomas P.
Olin Corporation
Weinblatt Mayer
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