AT251464B - Filtermaterial - Google Patents

Filtermaterial

Info

Publication number
AT251464B
AT251464B AT1036763A AT1036763A AT251464B AT 251464 B AT251464 B AT 251464B AT 1036763 A AT1036763 A AT 1036763A AT 1036763 A AT1036763 A AT 1036763A AT 251464 B AT251464 B AT 251464B
Authority
AT
Austria
Prior art keywords
filter material
filter
Prior art date
Application number
AT1036763A
Other languages
German (de)
English (en)
Original Assignee
Liggett & Myers Tobacco Compan
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 Liggett & Myers Tobacco Compan filed Critical Liggett & Myers Tobacco Compan
Application granted granted Critical
Publication of AT251464B publication Critical patent/AT251464B/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/2803—Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products
    • 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
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive
    • 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
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • 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
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B01J20/28066—Surface area, e.g. B.E.T specific surface area being more than 1000 m2/g
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/312—Preparation
    • C01B32/342—Preparation characterised by non-gaseous activating agents
    • C01B32/348—Metallic compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/354—After-treatment
    • C01B32/384—Granulation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
AT1036763A 1963-03-04 1963-12-23 Filtermaterial AT251464B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US262653A US3251365A (en) 1963-03-04 1963-03-04 Tobacco smoke filter

Publications (1)

Publication Number Publication Date
AT251464B true AT251464B (de) 1967-01-10

Family

ID=22998436

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1036763A AT251464B (de) 1963-03-04 1963-12-23 Filtermaterial

Country Status (15)

Country Link
US (1) US3251365A (pl)
AT (1) AT251464B (pl)
BE (1) BE640746A (pl)
CH (1) CH440083A (pl)
CY (1) CY323A (pl)
DE (1) DE1517297B1 (pl)
DK (1) DK111197B (pl)
ES (1) ES287631A1 (pl)
FI (1) FI40148C (pl)
FR (1) FR1356061A (pl)
GB (1) GB973854A (pl)
LU (1) LU45118A1 (pl)
NL (2) NL123406C (pl)
OA (1) OA00272A (pl)
SE (1) SE302737B (pl)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1009535A (en) * 1963-10-15 1965-11-10 British American Tobacco Co Improvements in tobacco-smoke filters
US3338246A (en) * 1964-05-04 1967-08-29 Union Carbide Corp Smoking tobacco preparation
US3330285A (en) * 1964-07-14 1967-07-11 Arthur E Bergquist Filtering material and process
CH468797A (de) * 1965-01-11 1969-02-28 De Rech S Tech Ets Filterstöpsel für Tabakwaren, insbesondere für Zigaretten
US3357320A (en) * 1965-02-05 1967-12-12 Brown & Williamson Tobacco Multiple filter assembly apparatus
US3420245A (en) * 1965-02-05 1969-01-07 Eastman Kodak Co Particulate cellulose acetate tobacco smoke filter
US3426763A (en) * 1965-07-21 1969-02-11 Eastman Kodak Co Tobacco smoke filter having a coated carbon additive
US3428056A (en) * 1965-07-21 1969-02-18 Eastman Kodak Co Tobacco smoke filter incorporating coated polyolefin additive
US3428054A (en) * 1965-10-18 1969-02-18 Chemway Filters Inc Filter
US3416541A (en) * 1965-10-24 1968-12-17 Andrew C. Hoover Jr. Cigarette filter
US3351072A (en) * 1965-11-16 1967-11-07 Esco Corp Tobacco smoke filter
US3460543A (en) * 1966-03-21 1969-08-12 Liggett & Myers Inc Cigarette filter
US3410277A (en) * 1966-08-10 1968-11-12 Lorillard Co P Tobacco having an oxadiazole additive
US3434479A (en) * 1966-09-15 1969-03-25 Liggett & Myers Tobacco Co Permanganate tobacco smoke filter
US3424168A (en) * 1966-11-21 1969-01-28 Pittsburgh Activated Carbon Co Removing contaminants from cigarette smoke
US3390687A (en) * 1967-01-23 1968-07-02 Riviana Foods Inc Tobacco smoke filter for cigarettes, cigars, pipes and the like
US3403690A (en) * 1967-03-07 1968-10-01 Brown & Williamson Tobacco Filters for tobacco smoke
US3390688A (en) * 1967-03-13 1968-07-02 Eastman Kodak Co Filter for removing oxides of nitrogen from tobacco smoke
US3459194A (en) * 1967-05-22 1969-08-05 Bertram Eichel Tobacco product incorporating a filter designed to inhibit the adverse effect of tobacco smoke on oral ubiquitous leucocytes
US3527235A (en) * 1968-05-24 1970-09-08 Matra Corp Tobacco smoke filter device
US3502087A (en) * 1968-07-05 1970-03-24 Ernest J Romano Cigarette filter
US3602233A (en) * 1969-05-06 1971-08-31 Ppg Industries Inc Smoking device incorporating microporous glass particle filter
US3635226A (en) * 1969-06-16 1972-01-18 British American Tobacco Co Tobacco-smoke filters
US3664350A (en) * 1969-12-12 1972-05-23 Byron T Wall Cigarette
US3658069A (en) * 1970-02-17 1972-04-25 Stanford Research Inst Filter for reducing the level of carbon monoxide in tobacco smoke
US3596665A (en) * 1970-03-04 1971-08-03 Knud Lindgard Tobacco smoke filter
GB1284673A (en) * 1970-04-20 1972-08-09 British American Tobacco Co Improvements relating to tobacco-smoke filters
USRE28858E (en) * 1970-09-25 1976-06-15 Brown & Williamson Tobacco Corporation Selective gas phase filter material
US3636957A (en) * 1971-03-05 1972-01-25 Charles M Saffer Jr Cigar smoke filter and method for improving the quality of cigar smoke
US3703901A (en) * 1971-03-11 1972-11-28 Liggett & Myers Inc Tobacco composition
US3809097A (en) * 1971-07-27 1974-05-07 B Clayton Tobacco smoke filter
US3802441A (en) * 1972-01-26 1974-04-09 Brown & Williamson Tobacco Tobacco smoke filter additive
GB1381800A (en) * 1972-04-26 1975-01-29 Rothmans Of Pall Mall Filter for tobacco smoke
US3858587A (en) * 1974-02-05 1975-01-07 Anthony R Cavelli Magna-tip
US3998232A (en) * 1974-10-31 1976-12-21 Smith Avery B Filtering tobacco smoke
JPS5198399A (pl) * 1975-02-26 1976-08-30
FR2306645A1 (fr) * 1975-04-11 1976-11-05 Bour Andre Element filtrant pour cigarettes et analogues
US4038992A (en) * 1975-09-29 1977-08-02 The Japan Tobacco & Salt Public Corporation Granular composition for tobacco filter
US4149549A (en) * 1976-05-17 1979-04-17 Montclair Research Corporation Cigarette and filter
CH608177A5 (pl) * 1977-02-21 1978-12-29 Neukomm Serge
US4266561A (en) * 1978-04-10 1981-05-12 Brown & Williamson Tobacco Corporation Tobacco smoke filtering compositions
US4226250A (en) * 1978-07-12 1980-10-07 Peterson Labs., Inc. Smoking system to filter tobacco smoke
FI67478C (fi) * 1979-11-13 1985-04-10 British American Tobacco Co Filter foer tobaksroek
DE3013256C2 (de) * 1980-04-03 1988-06-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren zur Herstellung von hochspezifischer Aktivkohle, die bei den Verfahren erhaltene Kohle und ihre Verwendung
JPS58141775A (ja) * 1982-02-16 1983-08-23 サントリー株式会社 タバコ用フイルタ−
US4889143A (en) * 1986-05-14 1989-12-26 R. J. Reynolds Tobacco Company Cigarette rods and filters containing strands provided from sheet-like materials
US5360023A (en) * 1988-05-16 1994-11-01 R. J. Reynolds Tobacco Company Cigarette filter
US5150723A (en) * 1988-09-28 1992-09-29 Eastman Kodak Company Process for the production of tobacco smoke filters
US4964426A (en) * 1988-09-28 1990-10-23 Eastman Kodak Company Tobacco smoke filters and process for production thereof
US5063196A (en) * 1989-06-23 1991-11-05 Calgon Carbon Corporation Chromium-free impregnated activated carbon for adsorption of toxic gases and/or vapors
US5404890A (en) * 1993-06-11 1995-04-11 R. J. Reynolds Tobacco Company Cigarette filter
DE59506078D1 (de) * 1994-07-19 1999-07-08 Bat Cigarettenfab Gmbh Tabakpatrone
US5678576A (en) * 1995-01-06 1997-10-21 Nazaroff; William W. Apparatus for treating environmental tobacco smoke (ETS) particle and gas-phase contaminants
US6209547B1 (en) 1998-10-29 2001-04-03 Philip Morris Incorporated Cigarette filter
US6591839B2 (en) 1999-02-17 2003-07-15 Dieter Meyer Filter material for reducing harmful substances in tobacco smoke
US6344071B1 (en) 2000-05-22 2002-02-05 3M Innovative Properties Company Broad spectrum filter system for filtering contaminants from air or other gases
US6911189B1 (en) 1999-10-29 2005-06-28 Philip Morris Usa Inc. Filter for selective removal of a gaseous component
MY128157A (en) * 2000-04-20 2007-01-31 Philip Morris Prod High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials
ES2336646T3 (es) * 2000-09-18 2010-04-15 ROTHMANS, BENSON & HEDGES INC. Cigarrillo de baja emision de humo de corriente secundaria con papel combustible.
AU2002228901A1 (en) * 2000-11-10 2002-05-21 Vector Tobacco (Bermuda) Ltd. Method and product for removing carcinogens from tobacco smoke
US6481442B1 (en) * 2000-11-28 2002-11-19 Lorillard Licensing Company, Llc Smoking article including a filter for selectively removing carbonyls
ITPI20010014A1 (it) * 2001-03-05 2002-09-05 Ivo Pera Composto per filtri per sigarette,o altri articoli da fumo,a base di sostanze antiossidanti ed il filtro cosi'ottenuto
US6767860B2 (en) 2001-05-10 2004-07-27 3M Innovative Properties Company Sublimation of solid organic compounds onto substrate surfaces in the presence of a fluid impregnant
US7011096B2 (en) 2001-08-31 2006-03-14 Philip Morris Usa Inc. Oxidant/catalyst nanoparticles to reduce carbon monoxide in the mainstream smoke of a cigarette
ATE332746T1 (de) * 2001-09-14 2006-08-15 Rothmans Benson & Hedges Verfahren zur herstellung von mikroporösen materialien, welche mit oxiden der seltenen erdmetalle beschichtet sind
AU2002340407A1 (en) * 2001-11-09 2003-05-26 Vector Tobacco Inc. Method and composition for mentholation of charcoal filtered cigarettes
WO2003053176A2 (en) * 2001-12-19 2003-07-03 Vector Tobacco Inc. Method and compositions for imparting cooling effect to tobacco products
ATE341952T1 (de) * 2001-12-19 2006-11-15 Vector Tobacco Ltd Verfahren und zusammensetzung zur mentholanreicherung von zigaretten
MY143467A (en) * 2002-03-15 2011-05-31 Rothmans Benson & Hedges Low sidestream smoke cigarette with combustible paper having a modified ash
US6769437B2 (en) 2002-04-08 2004-08-03 Philip Morris Incorporated Use of oxyhydroxide compounds for reducing carbon monoxide in the mainstream smoke of a cigarette
KR100961605B1 (ko) * 2002-04-12 2010-06-07 필립모리스 프로덕츠 에스.에이. 부분적으로 환원된 나노입자 첨가제를 포함하는 절단 충전재 조성물 및 궐련
US6782892B2 (en) 2002-08-30 2004-08-31 Philip Morris Usa Inc. Manganese oxide mixtures in nanoparticle form to lower the amount of carbon monoxide and/or nitric oxide in the mainstream smoke of a cigarette
US20040231684A1 (en) * 2003-05-20 2004-11-25 Zawadzki Michael A. Smoking article and smoking article filter
US8066011B2 (en) * 2003-09-30 2011-11-29 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7237558B2 (en) * 2003-09-30 2007-07-03 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7669604B2 (en) * 2003-09-30 2010-03-02 R.J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7240678B2 (en) * 2003-09-30 2007-07-10 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7856990B2 (en) * 2003-09-30 2010-12-28 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US8701681B2 (en) 2003-10-27 2014-04-22 Philip Morris Usa Inc. Use of oxyhydroxide compounds in cigarette paper for reducing carbon monoxide in the mainstream smoke of a cigarette
US8051859B2 (en) 2003-10-27 2011-11-08 Philip Morris Usa Inc. Formation and deposition of sputtered nanoscale particles in cigarette manufacture
US7640936B2 (en) * 2003-10-27 2010-01-05 Philip Morris Usa Inc. Preparation of mixed metal oxide catalysts from nanoscale particles
US7509961B2 (en) 2003-10-27 2009-03-31 Philip Morris Usa Inc. Cigarettes and cigarette components containing nanostructured fibril materials
DE602005023339D1 (de) * 2004-11-10 2010-10-14 Philip Morris Prod Filter mit eingekapseltem, mit gescmacksstoff versehenem adsorbens
GB0506278D0 (en) * 2005-03-29 2005-05-04 British American Tobacco Co Porous carbon materials and smoking articles and smoke filters therefor incorporating such materials
US20070056600A1 (en) * 2005-09-14 2007-03-15 R. J. Reynolds Tobacco Company Filtered smoking article
US8042552B2 (en) 2005-12-13 2011-10-25 Philip Morris Usa Inc. Incorporation of ammonia-release compounds in smoking articles
UA92214C2 (ru) * 2006-03-31 2010-10-11 Филип Моррис Продактс С.А. Фильтровальный элемент, сигарета, которая включает его в себе, и способ изготовления фильтровального элемента
US20070235049A1 (en) * 2006-03-31 2007-10-11 Philip Morris Usa Inc. Magnetic filter elements and cigarettes having magnetic filter elements
US8739802B2 (en) 2006-10-02 2014-06-03 R.J. Reynolds Tobacco Company Filtered cigarette
US20080135058A1 (en) * 2006-12-08 2008-06-12 Ted Calvin Germroth Tobacco smoke filter and method for removal of aldehydes from tobacco smoke
US7855261B2 (en) * 2006-12-08 2010-12-21 Eastman Chemical Company Aldehyde removal
US20080134893A1 (en) * 2006-12-08 2008-06-12 Thauming Kuo Particulate filter media
EP2130444A1 (en) 2008-06-06 2009-12-09 Xavier Wertz Smokable material and smokable articles
WO2010114096A1 (ja) * 2009-04-03 2010-10-07 日本たばこ産業株式会社 喫煙物品用一酸化炭素低減触媒およびその製造方法
GB201112539D0 (en) * 2011-07-21 2011-08-31 British American Tobacco Co Porous carbon and methods of production thereof
US20150335070A1 (en) * 2014-05-20 2015-11-26 R.J. Reynolds Tobacco Company Electrically-powered aerosol delivery system
US20160073695A1 (en) * 2014-05-20 2016-03-17 R. J. Reynolds Tobacco Company Electrically-powered aerosol delivery system
US20190307165A1 (en) * 2018-04-09 2019-10-10 Timothy Carney Hand-held smoke containment and filter device
CN111085170B (zh) * 2019-12-26 2022-10-25 中国电建集团中南勘测设计研究院有限公司 一种生物炭吸附材料及其应用
CN113115980B (zh) * 2021-04-01 2023-06-30 中国烟草总公司郑州烟草研究院 一种降低废气中苯酚含量的方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190228470A (en) * 1902-12-24 1903-02-12 Pierre Mercier New or Improved Means for Preventing or Minimizing the Deleterious Effects of Tobacco Smoke
GB190507808A (en) * 1905-04-12 1906-03-15 James Dewar Improved Absorbents for Gases or Vapours and the Application thereof for Purifying or Recovering Gases or Vapours or like purposes.
US1519470A (en) * 1921-01-22 1924-12-16 Robert E Wilson Impregnated carbon and process of making same
US1895724A (en) * 1927-10-26 1933-01-31 Silica Gel Corp Process of removing sulphur compounds from gas mixtures
FR711397A (fr) * 1931-02-17 1931-09-08 Nikostop Ipari Es Kereskedelmi Procédé de préparation d'une substance ou filtre pour l'épuration de la fumée du tabac
DE608484C (de) * 1931-03-06 1935-01-26 Willy Stelkens Verfahren zur Herabsetzung der Giftwirkung von Tabakrauch
DE612737C (de) * 1933-09-23 1935-05-03 Carbo Norit Union Verwaltungs Filtereinlage fuer Zigarren, Zigaretten, Rauchspitzen o. dgl.
FR766247A (fr) * 1933-12-29 1934-06-25 Procédé et dispositif pour l'absorption de la nicotine et autres substances nocives du tabac dans les pipes, fume-cigares et fume-cigarettes
US2108860A (en) * 1934-11-12 1938-02-22 Paul Bechtner Method of and substance for treating tobacco smoke
DE669172C (de) * 1935-06-28 1938-12-19 Helios Societa Cartaria A G L Filter fuer Zigaretten-, Zigarrenspitzen oder Zigarettenmundstuecke
DE666035C (de) * 1936-10-04 1938-10-08 Emma Elisabeth Lutter Verfahren zum Herstellen einer Filtermasse fuer die Rauchfilter von Zigaretten
US2511290A (en) * 1942-05-01 1950-06-13 Us Sec War Method of impregnating activated carbon
US2523875A (en) * 1942-05-01 1950-09-26 Jacque C Morrell Production of a protective carbon
GB654994A (en) * 1947-06-16 1951-07-04 Elie Pouterman Improvements in or relating to filters for tobacco smoke and methods of manufacturing such filters
GB685822A (en) * 1951-05-22 1953-01-14 Mario Francone An improved filtering agent for tobacco smoke
US2815760A (en) * 1951-12-24 1957-12-10 Schreus Hans Theo Tobacco smoke filter
US2792006A (en) * 1954-10-08 1957-05-14 Anders Jordahl Filters and filter material for use in filtering tobacco smoke
US2795227A (en) * 1955-02-15 1957-06-11 Seldeen Martin Tobacco smoke filter
US2966157A (en) * 1957-06-07 1960-12-27 Eastman Kodak Co Polyolefin tobacco smoke filters
GB863287A (en) * 1957-12-13 1961-03-22 Lorillard Co P Smoking tobacco product
US3033212A (en) * 1959-04-17 1962-05-08 Eastman Kodak Co Tobacco smoke filter containing polyolefin cobweb additive

Also Published As

Publication number Publication date
FI40148C (fi) 1968-10-10
DE1517297B1 (de) 1970-08-06
LU45118A1 (pl) 1964-02-27
US3251365A (en) 1966-05-17
ES287631A1 (es) 1963-11-01
GB973854A (en) 1964-10-28
CY323A (en) 1965-10-30
DK111197B (da) 1968-06-24
BE640746A (pl) 1964-06-03
CH440083A (de) 1967-07-15
OA00272A (fr) 1966-05-15
NL123406C (pl) 1967-07-17
SE302737B (pl) 1968-07-29
FR1356061A (fr) 1964-03-20
FI40148B (pl) 1968-06-28
NL293155A (pl)

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