Combination corrosion and scale inhibiting system containing pho

Details Combination corrosion and scale inhibiting system containing pho Combination corrosion and scale inhibiting system containing pho

1988-08-01

1990-08-21

Lovering, Richard D.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

252 80, 252 8552, 252 8555, 25238922, 562 12, C23F 11167, E21B 4102

Patent

active

049504746

ABSTRACT:
A series of water-dispersible corrosion and scale inhibiting solutions are disclosed which contain the reaction product of a phosphonate compound containing at least two phosphonate groups of the formula ##STR1## and an ethoxylated, propoxylated alkylphenol amine represented by the formula ##STR2## wherein R is an alkyl group containing about 5 to about 12 carbon atoms, X equals about 1 to about 20, and z equals about 1 to about 20.

REFERENCES:
patent: 2996542 (1961-08-01), Nielsen
patent: 3298956 (1967-01-01), Irani et al.
patent: 3467192 (1969-09-01), Nolan et al.
patent: 3483925 (1969-12-01), Slyker
patent: 3619427 (1971-11-01), Kautsky
patent: 3770815 (1973-11-01), Jones
patent: 4636256 (1987-01-01), Valone
patent: 4846980 (1989-07-01), Valone

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