Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1972-01-26
1976-05-18
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
252180, C02B 506
Patent
active
039571602
ABSTRACT:
The invention relates to a process for the prevention of inorganic salt precipitations in water or aqueous solutions by the additions to the solutions of small amounts of N-substituted aminoalkane-1,1-diphosphonic acids or their alkali metal salts or ammonium salts.
REFERENCES:
patent: 3303139 (1967-02-01), Blaser et al.
patent: 3617576 (1971-11-01), Kerst
patent: 3668138 (1972-06-01), Hoover et al.
Ploger Walter
Worms Karl-Heinz
Hart Charles N.
Henkel & Cie G.m.b.H.
Hruskoci Peter A.
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