Filter Layer
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United States of America Patent
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Issued Date -
Feb 5, 2009
app pub date -
Feb 5, 2008
filing date -
Feb 26, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a filter layer containing an adsorbent for the directed removal of a substance which adversely affects the taste from a fluid composition, in particular from wine. As adsorbent, particular preference is given to using a zeolite which has the periodic structural unit (PSU) of faujasites, in particular with a ratio of Si/Al of ≧5, preferably ≧10. The filter layer of the invention is able to remove 2,4,6-trichloroanisole (mainly responsible for the cork taste) from wine; other advantageous flavours are, in contrast, largely not removed.
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