Protective additive for radiators in coolants containing water

Details Protective additive for radiators in coolants containing water Protective additive for radiators in coolants containing water

1980-12-29

1982-04-13

Weinblatt, Mayer

Compositions

Etching or brightening compositions

252 73, 252 76, 252390, 252394, 252396, 422 7, 422 16, 422 17, C09K 500

Patent

active

043246753

ABSTRACT:
Alkylene glycol-based coolants free of nitrites, amines, and phosphates are metal corrosion inhibited with at least one nucleus-substituted benzoic acid and at least one conventional corrosion inhibitor for metals.

REFERENCES:
patent: 2172075 (1939-09-01), Whaley
patent: 2182612 (1939-12-01), Eaton
patent: 2817636 (1957-12-01), Barker
patent: 3240708 (1966-03-01), Dulat et al.
patent: 4241016 (1980-12-01), Hirozawa et al.

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