Cigarette filter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9289013
APP PUB NO 20150164134A1
SERIAL NO

14407487

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Abstract

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To provide a cigarette filter that can achieve both strength in a dry state and disintegration in a wet state, this cigarette filter has a filter plug containing a cellulose ester staple fiber, a pulp, and an alkali metal salt of a water-soluble anionic polymer. The filter plug has an alkali metal content of 2 to 100 μmol per gram of the filter plug. The water-soluble anionic polymer may include at least one member selected from the group consisting of a polyacrylic acid and a polysaccharide having a carboxyl group.

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Patent Owner(s)

Patent OwnerAddress
DAICEL CORPORATION3-1 OFUKA-CHO KITA-KU OSAKA-SHI OSAKA 530-0011

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Karakane, Hiroki Himeji, JP 7 80
Taniguchi, Hiroki Himeji, JP 86 738

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