EP 0481596 A1 19920422 - Filter mouthpiece for smoking articles.
Title (en)
Filter mouthpiece for smoking articles.
Title (de)
Filtermundstücke für Rauchartikel.
Title (fr)
Bout filtre pour articles à fumer.
Publication
Application
Priority
GB 9022530 A 19901017
Abstract (en)
A filter mouthpiece 12 is disclosed which delivers substantially constant levels of DPM which do not vary significantly from cigarette to cigarette. The mouthpiece comprises rod-end 14, middle 16 and mouth-end 18 filter portions in axial alignment with each other rendered generally impermeable over their peripheral surfaces. The middle portion includes a perforate tube 26, open at both ends. The filter mouthpiece may be ventilated. <IMAGE>
IPC 1-7
IPC 8 full level
A24D 3/04 (2006.01)
CPC (source: EP US)
A24D 3/04 (2013.01 - EP US)
Citation (search report)
- [AD] EP 0295835 A1 19881221 - TABAC FAB REUNIES SA [CH]
- [A] GB 2007490 A 19790523 - LAURENS SIGARETTEN
- [A] GB 2172186 A 19860917 - BRITISH AMERICAN TOBACCO CO
- [A] FR 2342671 A1 19770930 - LIGGETT & MYERS INC [US]
- [A] GB 2091078 A 19820728 - FILTRONA LTD
- [A] FR 1446636 A 19660722 - RECH S TECH ETS DE
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0481596 A1 19920422; EP 0481596 B1 19940105; AT E99504 T1 19940115; DE 69100939 D1 19940217; DE 69100939 T2 19940707; DK 0481596 T3 19940516; ES 2047986 T3 19940301; FI 914887 A0 19911016; FI 914887 A 19920418; GB 9022530 D0 19901128; NO 177033 B 19950403; NO 177033 C 19950712; NO 914064 D0 19911016; NO 914064 L 19920421; TR 25451 A 19930501
DOCDB simple family (application)
EP 91307950 A 19910830; AT 91307950 T 19910830; DE 69100939 T 19910830; DK 91307950 T 19910830; ES 91307950 T 19910830; FI 914887 A 19911016; GB 9022530 A 19901017; NO 914064 A 19911016; TR 97091 A 19911014