PT881890E - FILTER FOR CIGARETTES - Google Patents

FILTER FOR CIGARETTES

Info

Publication number
PT881890E
PT881890E PT97904435T PT97904435T PT881890E PT 881890 E PT881890 E PT 881890E PT 97904435 T PT97904435 T PT 97904435T PT 97904435 T PT97904435 T PT 97904435T PT 881890 E PT881890 E PT 881890E
Authority
PT
Portugal
Prior art keywords
filter
cigarettes
strip
cellulose acetate
invention concerns
Prior art date
Application number
PT97904435T
Other languages
Portuguese (pt)
Inventor
Edgar Mentzel
Original Assignee
Reemtsma H F & Ph
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Reemtsma H F & Ph filed Critical Reemtsma H F & Ph
Publication of PT881890E publication Critical patent/PT881890E/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/08—Filter paper
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/02—Synthetic cellulose fibres
    • D21H13/06—Cellulose esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)
  • Nonwoven Fabrics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

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.
PT97904435T 1996-02-16 1997-02-13 FILTER FOR CIGARETTES PT881890E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19605863A DE19605863A1 (en) 1996-02-16 1996-02-16 Cigarette filter

Publications (1)

Publication Number Publication Date
PT881890E true PT881890E (en) 2003-02-28

Family

ID=7785642

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97904435T PT881890E (en) 1996-02-16 1997-02-13 FILTER FOR CIGARETTES

Country Status (17)

Country Link
EP (1) EP0881890B1 (en)
JP (1) JP2000505292A (en)
CN (1) CN1142727C (en)
AT (1) ATE226400T1 (en)
AU (1) AU1724997A (en)
CZ (1) CZ297733B6 (en)
DE (2) DE19605863A1 (en)
ES (1) ES2183134T3 (en)
HK (1) HK1018733A1 (en)
HU (1) HUP9901638A3 (en)
PL (1) PL183718B1 (en)
PT (1) PT881890E (en)
RU (1) RU2222242C2 (en)
SK (1) SK284831B6 (en)
TW (1) TW321595B (en)
UA (1) UA45443C2 (en)
WO (1) WO1997029655A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9155335B2 (en) * 2007-12-17 2015-10-13 Celanese Acetate Llc Degradable cigarette filter
EP2357277A1 (en) * 2010-02-12 2011-08-17 Rhodia Acetow GmbH Photodegradable paper and its use
EP2556760B1 (en) * 2010-03-25 2015-05-27 Japan Tobacco Inc. Cigarette filter and capsule filter cigarette using same
CN101849710B (en) * 2010-04-29 2011-11-09 云南省玉溪市溶剂厂有限公司 Cigarette health-care plasticizer and manufacturing method thereof
GB201007946D0 (en) * 2010-05-12 2010-06-30 British American Tobacco Co Filter additive
JP6167435B2 (en) * 2011-12-30 2017-07-26 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム Apparatus and method for feeding a continuous web of gathered sheet material
JP6496705B2 (en) * 2016-12-16 2019-04-03 株式会社ダイセル Papermaking sheet and method for producing papermaking sheet
JP7176885B2 (en) * 2018-08-09 2022-11-22 株式会社ダイセル Cellulose acetate composition and molded article

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900037A (en) * 1969-12-24 1975-08-19 Brown & Williamson Tobacco Tobacco-smoke filters
BE788318A (en) * 1972-09-01 1973-01-02 British American Tobacco Co FILTER FOR CIGARETTE, PROCESS FOR MANUFACTURING THIS FILTER AND DEVICE FOR IMPLEMENTING THIS PROCESS.
CA1044615A (en) * 1974-01-30 1978-12-19 Minnesota Mining And Manufacturing Company Low pressure drop filter medium
US4357379A (en) * 1979-03-05 1982-11-02 Eastman Kodak Company Melt blown product
US4714647A (en) * 1986-05-02 1987-12-22 Kimberly-Clark Corporation Melt-blown material with depth fiber size gradient
US5509430A (en) * 1993-12-14 1996-04-23 American Filtrona Corporation Bicomponent fibers and tobacco smoke filters formed therefrom
DE4443158A1 (en) * 1994-12-05 1996-06-13 Gessner & Co Gmbh Cleanable gas filter

Also Published As

Publication number Publication date
DE59708560D1 (en) 2002-11-28
JP2000505292A (en) 2000-05-09
ES2183134T3 (en) 2003-03-16
AU1724997A (en) 1997-09-02
TW321595B (en) 1997-12-01
HK1018733A1 (en) 2000-01-07
EP0881890A1 (en) 1998-12-09
SK104198A3 (en) 1999-07-12
UA45443C2 (en) 2002-04-15
CZ255198A3 (en) 1999-11-17
PL328341A1 (en) 1999-01-18
DE19605863A1 (en) 1997-08-21
CZ297733B6 (en) 2007-03-14
CN1142727C (en) 2004-03-24
RU2222242C2 (en) 2004-01-27
EP0881890B1 (en) 2002-10-23
HUP9901638A2 (en) 1999-08-30
WO1997029655A1 (en) 1997-08-21
HUP9901638A3 (en) 2000-02-28
PL183718B1 (en) 2002-07-31
CN1215977A (en) 1999-05-05
SK284831B6 (en) 2005-12-01
ATE226400T1 (en) 2002-11-15

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