COOLING LIQUID Russian patent published in 1998 - IPC

FIELD: elimination of heat in various systems, for example, air-injection engines of main-line pipelines. SUBSTANCE: cooling composition comprises, mas. %: methoxyglycol having formula CH₃O(CH₂CH₂O)_nH where n=2-5, or mixture thereof in any ratio, 60-70; triethanol amine, 0.1-1.0; benzotriazole, 0.1-1.0; sodium benzoate, 0.05-0.15; water, the balance. Freezing point of composition is less than 60 C, it has high anticorrosive nature and is low-toxic. EFFECT: improved quality of product. 2 tbl