Method for preventing corrosion in water-carrying systems

Details Method for preventing corrosion in water-carrying systems Method for preventing corrosion in water-carrying systems

1974-06-20

1977-05-31

Weinblatt, Mayer

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

210 58, 21 27R, 252DIG11, 252DIG17, 252389A, C02B 506, C23F 1110

Patent

active

040268152

ABSTRACT:
In the inhibition of corrosion and scale formation in a water-carrying system wherein to the water there is added a phosphonocarboxylic acid of the formula ##STR1## in which R is hydrogen, an alkyl, alkenyl or alkinyl radical having up to 4 carbon atoms, an aryl, cycloalkyl or aralkyl radical, or the radical ##STR2## R' is hydrogen, an alkyl radical having up to 4 carbon atoms or a carboxyl radical; and

REFERENCES:
patent: 3723347 (1973-03-01), Mitchell
patent: 3752760 (1973-08-01), Gordon et al.

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