Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2005-09-27
2005-09-27
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C210S664000, C210S687000, C210S900000, C203S010000
Reexamination Certificate
active
06949192
ABSTRACT:
An improved water purification system for production of USP purified water and/or USP water for injection include backwashable, chlorine tolerant microfilter or ultrafilter for initial filtration of the feed water (10). The filtrate from the filter (18) is provided to a dechlorinator (18) prior to being subjected to an optional, reverse osmosis membrane unit (60) and then to a still (66) which discharges purified water at USP standards for purified water or water for injection.
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Mechanical Equipment Company, Inc.
Prince Fred G.
Wood Phillips Katz Clark & Mortimer
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