Water purifier
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 10, 1991
Grant Date -
N/A
app pub date -
Sep 18, 1989
filing date -
Sep 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A water purifier comprising a primary filter for removing residual chlorine and other impurities, a secondary filter disposed downstream of the primary filter for removing microorganisms and antimicrobial means disposed between the primary filter and the secondary filter. The water purifier of the invention can be used for long time since the proliferation of microorganism, which causes clogging of the secondary filter, is effectively prevented.
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