Water purifier
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United States of America Patent
Stats
-
Feb 9, 1999
Grant Date -
N/A
app pub date -
Feb 14, 1997
filing date -
Feb 14, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A water purifier which produces ultrapure water from a variety of feed sources. The feed source water may be potable tap, distilled, deionized, or water treated by reverse osmosis. The water is passed through a first purification media (30) and then through a chamber (34) where it is exposed to ultraviolet light in the presence of titanium dioxide. The water is then passed through a second purification media (38) to a dispensing valve (40). Operating the dispensing valve (40) provides ultrapure water from the purifier having a specific resistance of at least 18.0 megohm-cm and a TOC count of less than one ppb.
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Family
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- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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