Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Reexamination Certificate
2006-12-05
2006-12-05
Hruskoci, Peter A. (Department: 1724)
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
C210S699000, C222S001000
Reexamination Certificate
active
07144513
ABSTRACT:
The invention relates to a method that reduces limestone scale deposit on surfaces and in heating elements, especially, for drinking water in foodservice vending and dispensing machines without affecting the water quality. The method includes passing the water through metal particulate and polyphosphates to remove minerals therefrom and thus reduce scale deposits upon water contacted portions of such machines.
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Clarke Richard M.
Damiano Dominick
Sher Alexander A.
Bell Boyd & Lloyd LLC
Hruskoci Peter A.
Nestec S.A.
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