Phosphate esters of oxyalkylated beta-amino lower-alkyl carbamat

Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing

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252175, 252 855B, 252 82, 210 58, 422 15, C02B 123

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active

041558693

ABSTRACT:
The precipitation of scale-forming salts is inhibited by adding to an aqueous solution partially neutralized phosphate esters of an ethoxylated or propoxylated urea. The compositions are particularly useful in oil wells, oil well brines, cooling or boiler water, and the like.

REFERENCES:
patent: 2842523 (1958-07-01), Tousignant et al.
patent: 3620974 (1971-11-01), Stamford
patent: 3755503 (1973-08-01), Stamford et al.
patent: 3965003 (1976-06-01), Stamford et al.

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