Filter components, filters, smoking articles, and related methods, all for the controlled delivery of aerosols
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United States of America Patent
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Dec 26, 2017
Issued Date -
N/A
app pub date -
Sep 5, 2014
filing date -
Sep 5, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filter for a smoking article comprises a mouth end filter segment and a rod end filter segment. The rod end filter segment has a passage extending longitudinally therethrough. The passage has a diameter of about 1.0 mm or greater. In one embodiment, the rod end filter segment is comprised of an infinite pressure drop material. In another embodiment, the rod end filter segment is comprised of a low pressure drop material having a hollow tubular element disposed within to define the passage with an inner diameter greater than about 1.55 mm. Air dilution means are disposed in one of said filter segments to admit ventilating air into the filter.
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