FI40148B - - Google Patents

Info

Publication number
FI40148B
FI40148B FI2443/63A FI244363A FI40148B FI 40148 B FI40148 B FI 40148B FI 2443/63 A FI2443/63 A FI 2443/63A FI 244363 A FI244363 A FI 244363A FI 40148 B FI40148 B FI 40148B
Authority
FI
Finland
Application number
FI2443/63A
Other languages
Finnish (fi)
Other versions
FI40148C (fi
Inventor
C Keith
V Norman
W Bates
Original Assignee
Liggett & Myers Tobacco Co
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 Co filed Critical Liggett & Myers Tobacco Co
Application granted granted Critical
Publication of FI40148B publication Critical patent/FI40148B/fi
Publication of FI40148C publication Critical patent/FI40148C/fi

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)
FI244363A 1963-03-04 1963-12-11 Filter för tobaksrök FI40148C (fi)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FI40148B true FI40148B (pt-PT) 1968-06-28
FI40148C FI40148C (fi) 1968-10-10

Family

ID=22998436

Family Applications (1)

Application Number Title Priority Date Filing Date
FI244363A FI40148C (fi) 1963-03-04 1963-12-11 Filter för tobaksrök

Country Status (15)

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

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 (pt-PT) * 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 (pt-PT) * 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 (pt-PT) 1964-02-27
US3251365A (en) 1966-05-17
ES287631A1 (es) 1963-11-01
GB973854A (en) 1964-10-28
AT251464B (de) 1967-01-10
CY323A (en) 1965-10-30
DK111197B (da) 1968-06-24
BE640746A (pt-PT) 1964-06-03
CH440083A (de) 1967-07-15
OA00272A (fr) 1966-05-15
NL123406C (pt-PT) 1967-07-17
SE302737B (pt-PT) 1968-07-29
FR1356061A (fr) 1964-03-20
NL293155A (pt-PT)

Similar Documents

Publication Publication Date Title
FI40148B (pt-PT)
BE627012A (pt-PT)
BE623315A (pt-PT)
BE626590A (pt-PT)
BE619061A (pt-PT)
BE616967A (pt-PT)
BE616830A (pt-PT)
BE616247A (pt-PT)
BE614220A (pt-PT)
BE612803A (pt-PT)
BE608372A (pt-PT)
BE603935A (pt-PT)
BE582314A (pt-PT)
BE571209A (pt-PT)
BE645458A (pt-PT)
BE645276A (pt-PT)
BE643400A (pt-PT)
BE547422A (pt-PT)
BE643387A (pt-PT)
BE643110A (pt-PT)
BE642219A (pt-PT)
BE634480A (pt-PT)
BE627172A (pt-PT)
BE627151A (pt-PT)
BE624070A (pt-PT)