The Japan Tobacco Salt Public Corporation

Morinaga Milk Industry Co., Ltd.

Toho Beslon Co., Ltd.

Katsuichi Noguchi

Kazuo Maeda

Katsuhiro Ogasa

Tsutomu Kudo

Kazuo Izumi

Minoru Hirai

Yuriko Anzai

Kazuyoshi Doi

Joji Ono

Kenji Niijima

A tobacco smoke filter capable of selectively removing irritating materials and unpleasant bitter components from tobacco smoke and containing as a filter element nitrogen-containing activated carbon fibers produced by oxidizing acrylonitrile polymer fibers and then activating the oxidized fibers.

Tobacco smoke filter

A granular composition having a grain size of 10 to 50 mesh and a bulk density of 0.5 to 0.7 g/cm.sup.3 suitable for use in a tobacco filter or a tobacco pipe and having the ability to selectively remove carcinogenic and deleterious components from tobacco smoke comprises granules which are composed of bovine milk whey protein power and/or egg white protein powder, and one or more excipients selected from the group consisting of powdered cellulose, wheat flour, starch, rice flour, sugar, glucose, lactose, talc, alumina, zeolite or silica gel; or composite granules which are a blend of said granules and charcoal granules.

Granular composition for tobacco filter

Growing community of inventors

Yokohama, Japan

Katsuichi Noguchi