Tobacco – Tobacco users' appliance – Supports
Patent
1978-01-13
1980-04-01
Michell, Robert W.
Tobacco
Tobacco users' appliance
Supports
4234471, A24B 1502
Patent
active
041956494
ABSTRACT:
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.
REFERENCES:
patent: 3011981 (1961-12-01), Soltes
patent: 3319629 (1967-05-01), Chamberlain
patent: 3337301 (1967-08-01), McWhorter et al.
patent: 4009305 (1977-02-01), Fujimaki et al.
patent: 4080417 (1978-03-01), Kishimoto et al.
Anzai Yuriko
Hirai Minoru
Izumi Kazuo
Maeda Kazuo
Niijima Kenji
Michell Robert W.
Rosenbaum C. F.
The Japan Tobacco and Salt Public Corp.
Toho Beslon Co., Ltd.
LandOfFree
Tobacco smoke filter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tobacco smoke filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tobacco smoke filter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1309206