Polyether polyamino methylene phosphonate N-oxides for high pH s

Details Polyether polyamino methylene phosphonate N-oxides for high pH s Polyether polyamino methylene phosphonate N-oxides for high pH s

1993-10-07

1995-02-21

Hruskoci, Peter A.

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 252180, C02F 514

Patent

active

053913035

ABSTRACT:
Polyether polyamino methylene phosphonate N-oxides possess high calcium tolerance and have been found to give excellent inhibition of the formation, deposition and adherence of scale-forming salts, especially calcium carbonate, under severe conditions which include elevated pH, high dissolved solids content, and high saturation levels of calcium carbonate.

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