Global Patent Index - EP 1221869 B1

EP 1221869 B1 20040121 - HIGH PERFORMANCE CIGARETTE FILTER

Title (en)

HIGH PERFORMANCE CIGARETTE FILTER

Title (de)

HOCHLEISTUNGS-ZIGARETTENFILTER

Title (fr)

FILTRE A CIGARETTE HAUTES PERFORMANCES

Publication

EP 1221869 B1 20040121 (DE)

Application

EP 00972837 A 20001020

Priority

  • DE 19951062 A 19991022
  • EP 0010389 W 20001020

Abstract (en)

[origin: US6776168B1] The invention relates to a high performance cigarette filter on the basis of cellulose ester fibers or filaments which can be mechanically disintegrated. The inventive high-performance cigarette filter is characterized in that a) the fiber weight (or filament weight)/draw resistance ratio S based on the filament titer is greater than approximately 0.7, the S value being calculated according to the formula S=(mA/DeltaP7.8/dpf[10 m/daPA], wherein mA refers to the fiber weight, DeltaP refers to the draw resistance and dpf represents the filament titer and for the draw resistance the value calculated for a diameter of 7.8 mm is inserted, b) the residual crimping value of the filter material does not exceed the value 1.45, c) the fiber weight amounts to maximally 10 mg/mm of the filter length, and d) the hardness of the cigarette filter is higher than approximately 90% filtrona hardness. The inventive filter is characterized by an improved disintegratability under environmental conditions vis-à-vis comparable products.

IPC 1-7

A24D 3/06; A24D 3/02

IPC 8 full level

A24D 3/02 (2006.01); A24D 3/04 (2006.01); A24D 3/06 (2006.01); A24D 3/10 (2006.01); A24F 13/06 (2006.01)

IPC 8 main group level

A24D (2006.01)

CPC (source: EP KR US)

A24D 3/04 (2013.01 - EP US); A24D 3/068 (2013.01 - EP US); A24D 3/10 (2013.01 - EP KR US)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

US 6776168 B1 20040817; AT E258017 T1 20040215; AU 1142901 A 20010430; AU 764251 B2 20030814; BR 0015000 A 20021029; BR 0015000 B1 20110614; CA 2387487 A1 20010426; CA 2387487 C 20090428; CN 1221193 C 20051005; CN 1409607 A 20030409; CZ 20021383 A3 20021016; CZ 296610 B6 20060517; DE 19951062 A1 20010503; DE 19951062 C2 20020404; DE 50005096 D1 20040226; DK 1221869 T3 20040524; EA 003238 B1 20030227; EA 200200482 A1 20021031; EP 1221869 A1 20020717; EP 1221869 B1 20040121; ES 2216978 T3 20041101; GE P20043215 B 20040426; HK 1054491 A1 20031205; HU P0203081 A2 20030128; HU P0203081 A3 20030228; IL 149234 A0 20021110; JP 2004536551 A 20041209; JP 3726061 B2 20051214; KR 100505177 B1 20050729; KR 20020063564 A 20020803; MX PA02003968 A 20030925; NZ 518131 A 20030829; PL 202497 B1 20090630; PL 355636 A1 20040504; PT 1221869 E 20040630; SI 1221869 T1 20040630; SK 285134 B6 20060707; SK 5292002 A3 20020910; UA 67876 C2 20040715; WO 0128369 A1 20010426; ZA 200202967 B 20030226

DOCDB simple family (application)

US 11095302 A 20020417; AT 00972837 T 20001020; AU 1142901 A 20001020; BR 0015000 A 20001020; CA 2387487 A 20001020; CN 00817044 A 20001020; CZ 20021383 A 20001020; DE 19951062 A 19991022; DE 50005096 T 20001020; DK 00972837 T 20001020; EA 200200482 A 20001020; EP 0010389 W 20001020; EP 00972837 A 20001020; ES 00972837 T 20001020; GE AP2000006456 A 20001020; HK 03106890 A 20030925; HU P0203081 A 20001020; IL 14923400 A 20001020; JP 2001530972 A 20001020; KR 20027005166 A 20020422; MX PA02003968 A 20001020; NZ 51813100 A 20001020; PL 35563600 A 20001020; PT 00972837 T 20001020; SI 200030331 T 20001020; SK 5292002 A 20001020; UA 200254166 A 20001020; ZA 200202967 A 20020416