EP 0881890 A1 19981209 - CIGARETTE FILTER
Title (en)
CIGARETTE FILTER
Title (de)
CIGARETTENFILTER
Title (fr)
FILTRE DE CIGARETTE
Publication
Application
Priority
- DE 19605863 A 19960216
- EP 9700671 W 19970213
Abstract (en)
[origin: WO9729655A1] The invention concerns a filter material which is suitable in particular for producing cigarette filters. The material is characterized in that molten softened cellulose acetate is applied by the melt blown technique to a strip of prefabricated filter paper.
IPC 1-7
IPC 8 full level
A24D 3/02 (2006.01); A24D 3/10 (2006.01); D04H 1/56 (2006.01); D21H 27/08 (2006.01); D21H 13/06 (2006.01)
CPC (source: EP)
A24D 3/10 (2013.01); D21H 27/08 (2013.01); D21H 13/06 (2013.01)
Citation (search report)
See references of WO 9729655A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9729655 A1 19970821; AT E226400 T1 20021115; AU 1724997 A 19970902; CN 1142727 C 20040324; CN 1215977 A 19990505; CZ 255198 A3 19991117; CZ 297733 B6 20070314; DE 19605863 A1 19970821; DE 59708560 D1 20021128; EP 0881890 A1 19981209; EP 0881890 B1 20021023; ES 2183134 T3 20030316; HK 1018733 A1 20000107; HU P9901638 A2 19990830; HU P9901638 A3 20000228; JP 2000505292 A 20000509; PL 183718 B1 20020731; PL 328341 A1 19990118; PT 881890 E 20030228; RU 2222242 C2 20040127; SK 104198 A3 19990712; SK 284831 B6 20051201; TW 321595 B 19971201; UA 45443 C2 20020415
DOCDB simple family (application)
EP 9700671 W 19970213; AT 97904435 T 19970213; AU 1724997 A 19970213; CN 97193745 A 19970213; CZ 255198 A 19970213; DE 19605863 A 19960216; DE 59708560 T 19970213; EP 97904435 A 19970213; ES 97904435 T 19970213; HK 99103487 A 19990811; HU P9901638 A 19970213; JP 52898897 A 19970213; PL 32834197 A 19970213; PT 97904435 T 19970213; RU 98117221 A 19970213; SK 104198 A 19970213; TW 86101785 A 19970215; UA 98094825 A 19970213