A smoking article, a filter and a method of manufacturing a smoking article

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20170360084A1
SERIAL NO

15534151

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A smoking article includes a filter arrangement comprising a first filter section and a second filter section, the second filter section being located downstream of the first filter section, and a ventilation arrangement configured to provide a user controllable level of ventilation into the first filter section. A resistance to gaseous flow through the length of the second filter section is lower than a resistance to gaseous flow through the length of the first filter section, and the resistance to gaseous flow through the length of the filter arrangement remains substantially constant as the level of ventilation is varied.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITEDGLOBE HOUSE 1 WATER STREET LONDON WC2R 3LA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
AUSTIN, Mark London, GB 124 2028
BAILEY, Mark London, GB 53 410
HARVEY, Lisa London, GB 4 0
KALJURA, Karl London, GB 45 222
TAVERN, Sydney London, GB 3 0
WHITTON, Tina London, GB 3 0

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