Filter materials and filters made therefrom

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10798966
APP PUB NO 20170020186A1
SERIAL NO

15113433

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to filter material for inclusion in a smoking article, said filter material comprising a base material comprising or made from fibers having a first diameter or mean diameter, and fine fibers having a diameter or mean diameter which is smaller than the first diameter, wherein the filter material comprises more than 10% by weight and/or by volume fine fibers or wherein the diameter or mean diameter of the fine fibers is between about 1.0 μm and about 1.5 μm. The invention also relates to filters or filter elements comprising the filter material, smoking articles comprising the same, and use of the filter material in smoke filtration.

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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
Dauner, Martin Denkendorf, DE 12 242
Davis, Andrew London, GB 91 1041
Dimmick, Barry London, GB 23 12
Lemmouchi, Yahia London, GB 6 12
Rieger, Christoph Denkendorf, DE 4 4
Ullrich, Andreas Denkendorf, DE 30 532

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