Scale inhibition and compounds therefor

Details Scale inhibition and compounds therefor Scale inhibition and compounds therefor

1975-03-31

1976-06-22

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

252 855B, 252180, C02B 506

Patent

active

039650030

ABSTRACT:
Phosphated oxypropylated hydroxy hydrocarbons obtained by reacting polyphosphoric acid or phosphorus pentoxide or mixtures thereof with oxypropylated hydroxy hydrocarbons, with or without neutralization, are used as scale inhibitors for calcium, barium and magnesium salts in water.

REFERENCES:
patent: 3291867 (1966-12-01), Shew et al.
patent: 3324202 (1967-06-01), Franko-Filipasic
patent: 3429824 (1969-02-01), Tate
patent: 3462365 (1969-08-01), Vogelsang
patent: 3477956 (1969-11-01), Stanford et al.
patent: 3488289 (1970-01-01), Tate
patent: 3502587 (1970-03-01), Stanford et al.
patent: 3557164 (1971-01-01), De Pierri

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