EP 0408354 A2 19910116 - Cigarettes.
Title (en)
Cigarettes.
Title (de)
Zigaretten.
Title (fr)
Cigarettes.
Publication
Application
Priority
GB 8916137 A 19890714
Abstract (en)
A cigarette or cigar comprising a rod of tobacco which decreases in strength from the kindled end to the other end and which is provided with a filter, the filtration efficiency of which increases as the cigarette is consumed.
IPC 1-7
IPC 8 full level
A24D 1/04 (2006.01); A24D 1/00 (2020.01); A24D 3/04 (2006.01)
CPC (source: EP US)
Designated contracting state (EPC)
BE CH DE DK ES FR GB GR IT LI LU NL
DOCDB simple family (publication)
EP 0408354 A2 19910116; EP 0408354 A3 19940330; AU 5873190 A 19910117; AU 637382 B2 19930527; CA 2021199 A1 19910115; GB 8916137 D0 19890831; IE 902555 A1 19910227; JP H03206876 A 19910910; ZA 905255 B 19910327
DOCDB simple family (application)
EP 90307613 A 19900711; AU 5873190 A 19900705; CA 2021199 A 19900713; GB 8916137 A 19890714; IE 255590 A 19900712; JP 18696990 A 19900713; ZA 905255 A 19900705