Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing
Patent
1977-09-22
1979-05-22
Weinblatt, Mayer
Compositions
Water-softening or purifying or scale-inhibiting agents
Plant or organic material containing
252175, 252 855B, 252 82, 210 58, 422 15, C02B 123
Patent
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.
Standard Oil Company (Indiana)
Stevenson Robert B.
Weinblatt Mayer
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