Method of inhibiting corrosion and scale formation in aqueous sy

Details Method of inhibiting corrosion and scale formation in aqueous sy Method of inhibiting corrosion and scale formation in aqueous sy

1990-08-23

1991-12-17

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

210700, 25238922, 25240022, 422 16, 562 13, C23F 1112

Patent

active

050733397

ABSTRACT:
A method of inhibiting corrosion of metal surfaces in contact with aqueous solutions and of inhibiting scale formation thereon is provided by introducing and maintaining in the solution certain polyaminopolyphosphonohydroxybenzene sulfonic acid compounds or their alkali or alkaline earth metal salts.

REFERENCES:
patent: 4613445 (1986-09-01), Haack et al.
patent: 4929778 (1990-05-01), Roling
patent: 4933472 (1990-06-01), Isomura et al.
patent: 4970335 (1990-11-01), Isomura et al.

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