Vehicle cabin air filter, a vehicle including such a filter, and a method of manufacture
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United States of America Patent
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Feb 25, 2003
Grant Date -
Nov 15, 2001
app pub date -
Apr 19, 2001
filing date -
Apr 21, 2000
priority date (Note) -
In Force
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Abstract
A vehicle cabin air filter whose filter material carries microcapsules containing at least one volatile substance, the microcapsules being suitable for diffusing said volatile substance progressively into the air passing through the filter.
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