EP 0609284 B1 19960327 - CIGARETTE FILTER
Title (en)
CIGARETTE FILTER
Title (de)
ZIGARETTENFILTER
Title (fr)
FILTRE DE CIGARETTE
Publication
Application
Priority
- AT 210191 A 19911022
- AT 9200126 W 19921016
Abstract (en)
[origin: WO9307771A1] Described are methods of manufacturing a cellulose-acetate bundle, the filaments making up the bundle being produced by extruding a solution containing, in addition to cellulose-(2,5)-acetate and solvent, non-toxic compounds which are only slightly soluble in the solution and whose molecular diameter is at least 30 % less than the diameter of the filaments. Water-soluble or bacteriologically degradable organic compounds, in particular starch, starch derivatives or dextrins, are used as the additives.
IPC 1-7
IPC 8 full level
A24D 3/10 (2006.01); A24D 3/14 (2006.01); A24D 3/16 (2006.01); C08L 101/16 (2006.01); D01F 1/10 (2006.01); D01F 2/28 (2006.01)
CPC (source: EP KR)
A24D 3/068 (2013.01 - EP); A24D 3/10 (2013.01 - KR); A24D 3/14 (2013.01 - EP); A24D 3/16 (2013.01 - EP); D01F 1/10 (2013.01 - EP); D01F 2/28 (2013.01 - EP)
Citation (examination)
PATENT ABSTRACTS OF JAPAN, unexamined applications, C Field, Band 15, Nr. 500, 18. Dezember 1991 THE PATENT OFFICE JAPANESE GOVERNMENT, Seite 141 C 895, Nr. 3 - 219 862 ( DAICEL CHEM. IND. LTD. ) 27. September 1991
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI NL SE
DOCDB simple family (publication)
CA 2121136 A1 19930429; CA 2121136 C 20010306; AT 396862 B 19931227; AT A210191 A 19930515; AT E135892 T1 19960415; CN 1053563 C 20000621; CN 1072580 A 19930602; DE 59205875 D1 19960502; DK 0609284 T3 19960520; EP 0609284 A1 19940810; EP 0609284 B1 19960327; ES 2085650 T3 19960601; GE P19991509 B 19990305; GR 3019451 T3 19960630; JP H07500385 A 19950112; KR 100264527 B1 20000901; KR 940702696 A 19940917; RU 2083146 C1 19970710; UA 27822 C2 20001016; WO 9307771 A1 19930429; ZA 928128 B 19930504
DOCDB simple family (application)
CA 2121136 A 19921016; AT 210191 A 19911022; AT 9200126 W 19921016; AT 92921347 T 19921016; CN 92112850 A 19921021; DE 59205875 T 19921016; DK 92921347 T 19921016; EP 92921347 A 19921016; ES 92921347 T 19921016; GE AP1992002490 A 19921016; GR 960400815 T 19960328; JP 50727293 A 19921016; KR 19940701133 A 19940408; RU 94021652 A 19921016; UA 94005431 A 19921016; ZA 928128 A 19921021