Water treatment agent and water treatment method for a boiler

Details Water treatment agent and water treatment method for a boiler Water treatment agent and water treatment method for a boiler

1991-11-26

1992-12-08

Stoll, Robert L.

Compositions

Preservative agents

Anti-corrosion

25238954, 2523891, 252390, 25238962, 252181, 252392, 252394, 252396, 210700, 210701, 422 17, 422 19, C23F 1118, C23F 1114

Patent

active

051695634

ABSTRACT:
A water treatment agent for boilers which comprises as active ingredients a compound which can release aliphatic hydroxycarboxylic acid ions in water and a polyamine represented by the following formula (I) or an acid addition product thereof:

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patent: 4816303 (1989-03-01), Kroenke et al.
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