EP 1679983 B1 20150902 - TOBACCO SMOKE FILTER
Title (en)
TOBACCO SMOKE FILTER
Title (de)
TABAKRAUCHFILTER
Title (fr)
FILTRE POUR FUMEE DE TABAC
Publication
Application
Priority
- GB 2004004418 W 20041019
- GB 0324464 A 20031020
Abstract (en)
[origin: WO2005039333A1] A tobacco smoke filter containing a high activity activated carbon (17) impregnated with a metal impregnant. The use of a relatively low level of impregnant, in combination with a base carbon having higher activity than that used in standard cigarette filters, is highly effective in removing HCN from cigarette smoke.
IPC 8 full level
A24D 3/16 (2006.01)
CPC (source: EP KR US)
A24D 3/00 (2013.01 - KR); A24D 3/06 (2013.01 - KR); A24D 3/16 (2013.01 - EP KR US); A24D 3/163 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005039333 A1 20050506; BR PI0415618 A 20061212; BR PI0415618 B1 20130709; CN 1897833 A 20070117; CN 1897833 B 20110413; EP 1679983 A1 20060719; EP 1679983 B1 20150902; GB 0324464 D0 20031119; JP 2007508818 A 20070412; JP 4824568 B2 20111130; KR 101155452 B1 20120615; KR 20060096436 A 20060911; RU 2006114447 A 20071127; RU 2357624 C2 20090610; US 2007295346 A1 20071227
DOCDB simple family (application)
GB 2004004418 W 20041019; BR PI0415618 A 20041019; CN 200480038230 A 20041019; EP 04768944 A 20041019; GB 0324464 A 20031020; JP 2006534834 A 20041019; KR 20067007618 A 20041019; RU 2006114447 A 20041019; US 57665904 A 20041019