Solid free-flowing phosphonate composition

Details Solid free-flowing phosphonate composition Solid free-flowing phosphonate composition

2006-07-25

2006-07-25

Hruskoci, Peter A. (Department: 1724)

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

C210S700000, C252S181000, C562S012000

Reexamination Certificate

active

07081212

ABSTRACT:
Solid free-flowing compositions of a magnesium salt of bis(hexamethylene)triamino penta(methylenephosphonic) acid are disclosed. The compositions exhibit desirable scale inhibitor properties and can be used in water treatment. In addition, a method of scale control is disclosed using the magnesium phosphonic acids under ambient conditions of relative humidity of at least 30% as can apply under subtropical or tropical conditions of high relative humidity. The preferred molar ratios of magnesium to phosphonic acid are in the range of from 1:1 to 3:1.

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