DE4013293A1 - Cigarettenfilter - Google Patents

Cigarettenfilter

Info

Publication number
DE4013293A1
DE4013293A1 DE19904013293 DE4013293A DE4013293A1 DE 4013293 A1 DE4013293 A1 DE 4013293A1 DE 19904013293 DE19904013293 DE 19904013293 DE 4013293 A DE4013293 A DE 4013293A DE 4013293 A1 DE4013293 A1 DE 4013293A1
Authority
DE
Germany
Prior art keywords
filter
phb
acid
cigarette filter
poly
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19904013293
Other languages
German (de)
English (en)
Other versions
DE4013293C2 (https=
Inventor
Wolfgang Dipl Phys Dr Wiethaup
Knut Dipl Ing Moeller
Bernhard Dipl Chem Dr Hauser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British American Tobacco Germany GmbH
Original Assignee
BAT Cigarettenfabriken GmbH
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 BAT Cigarettenfabriken GmbH filed Critical BAT Cigarettenfabriken GmbH
Priority to DE19904013293 priority Critical patent/DE4013293A1/de
Publication of DE4013293A1 publication Critical patent/DE4013293A1/de
Application granted granted Critical
Publication of DE4013293C2 publication Critical patent/DE4013293C2/de
Granted legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—Polyesters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of 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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • D01F6/625—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters derived from hydroxy-carboxylic acids, e.g. lactones
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • D01F6/84—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Artificial Filaments (AREA)
DE19904013293 1990-04-26 1990-04-26 Cigarettenfilter Granted DE4013293A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19904013293 DE4013293A1 (de) 1990-04-26 1990-04-26 Cigarettenfilter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904013293 DE4013293A1 (de) 1990-04-26 1990-04-26 Cigarettenfilter

Publications (2)

Publication Number Publication Date
DE4013293A1 true DE4013293A1 (de) 1991-11-07
DE4013293C2 DE4013293C2 (https=) 1992-07-16

Family

ID=6405124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904013293 Granted DE4013293A1 (de) 1990-04-26 1990-04-26 Cigarettenfilter

Country Status (1)

Country Link
DE (1) DE4013293A1 (https=)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT3712B (en) 1993-07-09 1996-02-26 Rhodia Ag Rhone Poulenc Cellulose acetate derivatives,their use for preparing filtertow,the use of the latter for manufacturing the tobacco smoke filter element, the filtertow and the tobacco smoke filter element
US6062228A (en) * 1995-09-29 2000-05-16 Biotec Biologische Natuverpackungen Gmbh & Co., Kg Biodegradable filter material and method for its manufacture
CN100406632C (zh) * 2006-01-18 2008-07-30 东华大学 一种纳米级直径的生物可降解纤维无纺布和制备方法
WO2012131370A1 (en) * 2011-03-31 2012-10-04 British American Tobacco (Investments) Limited Blends of a polylactic acid and a water soluble polymer
US9833017B2 (en) * 2012-07-25 2017-12-05 R.J. Reynolds Tobacco Company Mixed fiber sliver for use in the manufacture of cigarette filter elements
CN114760866A (zh) * 2019-12-03 2022-07-15 菲利普莫里斯生产公司 包括包含聚羟基链烷酸酯的中空管段的气溶胶生成制品

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0177207A2 (en) * 1984-10-03 1986-04-09 Imperial Chemical Industries Plc Non-woven fibrous materials

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0177207A2 (en) * 1984-10-03 1986-04-09 Imperial Chemical Industries Plc Non-woven fibrous materials

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT3712B (en) 1993-07-09 1996-02-26 Rhodia Ag Rhone Poulenc Cellulose acetate derivatives,their use for preparing filtertow,the use of the latter for manufacturing the tobacco smoke filter element, the filtertow and the tobacco smoke filter element
US6062228A (en) * 1995-09-29 2000-05-16 Biotec Biologische Natuverpackungen Gmbh & Co., Kg Biodegradable filter material and method for its manufacture
CN100406632C (zh) * 2006-01-18 2008-07-30 东华大学 一种纳米级直径的生物可降解纤维无纺布和制备方法
WO2012131370A1 (en) * 2011-03-31 2012-10-04 British American Tobacco (Investments) Limited Blends of a polylactic acid and a water soluble polymer
US9085660B2 (en) 2011-03-31 2015-07-21 British American Tobacco (Investments) Limited Blends of a polylactic acid and a water soluble polymer
RU2561103C2 (ru) * 2011-03-31 2015-08-20 Бритиш Америкэн Тобэкко (Инвестментс) Лимитед Смеси полимолочной кислоты и растворимого в воде полимера
US9833017B2 (en) * 2012-07-25 2017-12-05 R.J. Reynolds Tobacco Company Mixed fiber sliver for use in the manufacture of cigarette filter elements
CN114760866A (zh) * 2019-12-03 2022-07-15 菲利普莫里斯生产公司 包括包含聚羟基链烷酸酯的中空管段的气溶胶生成制品

Also Published As

Publication number Publication date
DE4013293C2 (https=) 1992-07-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BRITISH-AMERICAN TOBACCO (GERMANY) GMBH, 20354 HAM

8339 Ceased/non-payment of the annual fee