Process of treating aqueous heating media in heating systems, an

Details Process of treating aqueous heating media in heating systems, an Process of treating aqueous heating media in heating systems, an

1974-07-26

1981-12-01

Kyle, Deborah L.

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

252DIG11, 422 15, 422 16, 422 17, C02F 510, C02F 512, C02F 514

Patent

active

043035469

ABSTRACT:
Scale formation as well as corrosion are suppressed by adding amino methylene phosphonic acids, hydroxy alkane diphosphonic acids, amino alkane diphosphonic acids, polyhydroxy acids, their alkali metal salts, or mixtures thereof to the aqueous heating medium of heating systems used for heat treating, such as sterilizing and pasteurizing, goods enclosed in glass, metal, and the like containers.

REFERENCES:
patent: 3308062 (1967-03-01), Gunther
patent: 3317340 (1967-05-01), Ziehr
patent: 3336221 (1967-08-01), Ralston
patent: 3393150 (1968-07-01), Ralston
patent: 3434969 (1969-03-01), Ralston
patent: 3445179 (1969-05-01), Jansen
patent: 3451939 (1969-06-01), Ralston
patent: 3639645 (1972-02-01), Miller et al.

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