Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1985-11-01
1987-09-08
Thexton, Matthew A.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
422 16, 252180, 25238922, 25238923, C23F 1116
Patent
active
046923179
ABSTRACT:
A method for inhibiting corrosion in an aqueous system, for example a cooling system, is disclosed which comprises adding to the system a phosphonate of the formula: ##STR1## where R.sub.1 represents hydrogen or an alkyl radical of 1 to 6 carbon atoms and R.sub.2 represents hydrogen, hydroxyl or amino, or a salt thereof and a cationic polymer.
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Heiser David E.
Thexton Matthew A.
W. R. Grace & Co.
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