Liquid purification or separation – Casing divided by membrane into sections having inlet – Dialyzer with dialysate proportioning means
Patent
1994-06-20
1999-09-14
Kim, John
Liquid purification or separation
Casing divided by membrane into sections having inlet
Dialyzer with dialysate proportioning means
210134, 210143, 210175, 210181, 210252, 210258, 210259, 21032165, 21032175, 604 4, 604 5, 604 29, 604 30, B01D 6126, B01D 6108, A61M 128, A61M 134
Patent
active
059518634
ABSTRACT:
Medical drug formulation and delivery system includes a reverse osmosis device for purifying water from a source comprising a housing having an inlet for passage of water from the source, a first outlet for passage of purified water from the housing and a second outlet for passage of waste water remaining after purification. A first reverse osmosis multilayer assembly is disposed within the housing in fluid communication with the inlet for purification of at least a first portion of the water from the source. Water treatment chemicals can be positioned in a core about which the first reserve osmosis multilayer assembly is wound. The treatment chemicals are in fluid communication with the first reverse osmosis multilayer assembly to receive the first purified portion of water and for removal of at least chemical contaminants therefrom. A second reverse osmosis multilayer assembly is also wound on the core and is in fluid communication with the water treatment chemicals to receive the chemically purified water for purification of at least a second portion thereof. The second reserve osmosis multilayer assembly is in fluid communication with the first outlet so as to permit passage of the second portion of purified water therethrough. In one preferred embodiment, the first and second reverse osmosis assemblies are formed integrally in a side by side configuration. In an alternative embodiment, they are rolled about the core in an interleaf configuration.
REFERENCES:
patent: 4610790 (1986-09-01), Reti et al.
patent: 4990248 (1991-02-01), Brown et al.
patent: 5312547 (1994-05-01), Kruger et al.
patent: 5498338 (1996-03-01), Kruger et al.
Deraney, Defensive Publication T921,001, Apr. 2, 1974.
Frederick Warren P
Helgren R. Hayes
Kruger Robert J.
Larkin Mark E.
Mayoral Joaquin
Abbott Laboratories
Kim John
Woodworth Brian R.
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