Bag-shaped filter insert made of filter paper
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United States of America Patent
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N/A
Issued Date -
Jun 6, 2002
app pub date -
Dec 3, 2001
filing date -
Dec 2, 2000
priority date (Note) -
Abandoned
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Abstract
A bag-shaped filter insert made of filter paper for preparing aromatic extracts of coffee or tea includes an upper region and an adjoining bottom region. The bottom region has a lesser permeability than the upper region.
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