Packaging for altering the composition of a liquid
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United States of America Patent
Stats
-
Oct 5, 1993
Grant Date -
N/A
app pub date -
Apr 29, 1991
filing date -
Oct 28, 1988
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A package for a liquid which is purified includes a neck with a lock-chamber slidable therein. The lock-chamber includes a purifying substance through which the liquid passes when dispensed. At one end of the lock chamber, a plug is positioned to block passage of the liquid through the lock-chamber when the lock-chamber is projected from the neck and to allow passage of the liquid when the lock-chamber is pushed down into the neck.
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