BE640746A - - Google Patents
Info
- Publication number
- BE640746A BE640746A BE640746A BE640746A BE640746A BE 640746 A BE640746 A BE 640746A BE 640746 A BE640746 A BE 640746A BE 640746 A BE640746 A BE 640746A BE 640746 A BE640746 A BE 640746A
- Authority
- BE
- Belgium
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)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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 |
|---|---|
| BE640746A true BE640746A (cs) | 1964-06-03 |
Family
ID=22998436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE640746A BE640746A (cs) | 1963-03-04 | 1963-12-03 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3251365A (cs) |
| AT (1) | AT251464B (cs) |
| BE (1) | BE640746A (cs) |
| CH (1) | CH440083A (cs) |
| CY (1) | CY323A (cs) |
| DE (1) | DE1517297B1 (cs) |
| DK (1) | DK111197B (cs) |
| ES (1) | ES287631A1 (cs) |
| FI (1) | FI40148C (cs) |
| FR (1) | FR1356061A (cs) |
| GB (1) | GB973854A (cs) |
| LU (1) | LU45118A1 (cs) |
| NL (2) | NL123406C (cs) |
| OA (1) | OA00272A (cs) |
| SE (1) | SE302737B (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0037537A1 (de) * | 1980-04-03 | 1981-10-14 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Verfahren zur Herstellung hochspezifischer Aktivkohle |
Families Citing this family (99)
| 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 (cs) * | 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 (cs) * | 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 |
| 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 |
| US4964426A (en) * | 1988-09-28 | 1990-10-23 | Eastman Kodak Company | Tobacco smoke filters and process for production thereof |
| US5150723A (en) * | 1988-09-28 | 1992-09-29 | Eastman Kodak Company | Process for the production of tobacco smoke filters |
| 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 |
| ATE448701T1 (de) * | 2000-09-18 | 2009-12-15 | Rothmans Benson & Hedges | Zigarette mit geringem seitenströmungsrauch und verbrennbarem papier |
| WO2002037990A2 (en) * | 2000-11-10 | 2002-05-16 | Vector Tobacco 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 |
| MY135678A (en) * | 2001-09-14 | 2008-06-30 | Rothmans Benson & Hedges | A process for making rare earth metal oxide-coated microporous materials |
| JP2005508648A (ja) * | 2001-11-09 | 2005-04-07 | ベクター・タバコ・インコーポレーテッド | 炭でフィルターされた巻きタバコのメントール化のための組成物及び方法 |
| DE60215385T2 (de) * | 2001-12-19 | 2007-10-25 | Vector Tobacco Inc.(N.D.Ges.D.Staates Virginia) | Verfahren und zusammensetzung zur mentholanreicherung von zigaretten |
| EP1455609A2 (en) * | 2001-12-19 | 2004-09-15 | Vector Tobacco Inc. | Method and compositions for imparting cooling effect to tobacco products |
| CA2476971C (en) * | 2002-03-15 | 2012-02-28 | Rothmans, Benson & Hedges Inc. | Low sidestream smoke cigarette with combustible paper having 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 |
| PL204274B1 (pl) * | 2002-04-12 | 2009-12-31 | Philip Morris Products | Kompozycja ciętego wypełniacza, papieros i sposób wytwarzania papierosa |
| 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 |
| US7669604B2 (en) * | 2003-09-30 | 2010-03-02 | 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 |
| US7856990B2 (en) * | 2003-09-30 | 2010-12-28 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
| US8066011B2 (en) * | 2003-09-30 | 2011-11-29 | 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 |
| 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 |
| US7640936B2 (en) | 2003-10-27 | 2010-01-05 | Philip Morris Usa Inc. | Preparation of mixed metal oxide catalysts from nanoscale particles |
| US8051859B2 (en) | 2003-10-27 | 2011-11-08 | Philip Morris Usa Inc. | Formation and deposition of sputtered nanoscale particles in cigarette manufacture |
| US7509961B2 (en) | 2003-10-27 | 2009-03-31 | Philip Morris Usa Inc. | Cigarettes and cigarette components containing nanostructured fibril materials |
| AU2005303448B2 (en) * | 2004-11-10 | 2011-09-29 | Philip Morris Products S.A. | Capsuled adsorbent flavored filter |
| 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 |
| US20070235049A1 (en) * | 2006-03-31 | 2007-10-11 | Philip Morris Usa Inc. | Magnetic filter elements and cigarettes having magnetic filter elements |
| 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 |
| US8739802B2 (en) | 2006-10-02 | 2014-06-03 | R.J. Reynolds Tobacco Company | Filtered cigarette |
| US7855261B2 (en) * | 2006-12-08 | 2010-12-21 | Eastman Chemical Company | Aldehyde removal |
| US20080135058A1 (en) * | 2006-12-08 | 2008-06-12 | Ted Calvin Germroth | Tobacco smoke filter and method for removal of aldehydes from tobacco smoke |
| 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 |
| EP2415519A4 (en) * | 2009-04-03 | 2014-02-12 | Japan Tobacco Inc | CARBON MONO-OXIDE REDUCTION CATALYST FOR SMOKING ARTICLE, AND PROCESS FOR PRODUCING THE SAME |
| GB201112539D0 (en) * | 2011-07-21 | 2011-08-31 | British American Tobacco Co | Porous carbon and methods of production thereof |
| US20160073695A1 (en) * | 2014-05-20 | 2016-03-17 | R. J. Reynolds Tobacco Company | Electrically-powered aerosol delivery system |
| US20150335070A1 (en) * | 2014-05-20 | 2015-11-26 | 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)
| 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 |
| US2523875A (en) * | 1942-05-01 | 1950-09-26 | Jacque C Morrell | Production of a protective carbon |
| US2511290A (en) * | 1942-05-01 | 1950-06-13 | Us Sec War | Method of impregnating activated 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 |
-
0
- NL NL293155D patent/NL293155A/xx unknown
-
1963
- 1963-03-04 US US262653A patent/US3251365A/en not_active Expired - Lifetime
- 1963-04-30 FR FR933266A patent/FR1356061A/fr not_active Expired
- 1963-05-03 ES ES287631A patent/ES287631A1/es not_active Expired
- 1963-05-22 GB GB20364/63A patent/GB973854A/en not_active Expired
- 1963-05-22 NL NL293155A patent/NL123406C/xx active
- 1963-12-03 BE BE640746A patent/BE640746A/xx unknown
- 1963-12-11 FI FI244363A patent/FI40148C/fi active
- 1963-12-18 SE SE14116/63A patent/SE302737B/xx unknown
- 1963-12-20 DE DE19631517297D patent/DE1517297B1/de active Pending
- 1963-12-23 CH CH1583163A patent/CH440083A/de unknown
- 1963-12-23 AT AT1036763A patent/AT251464B/de active
- 1963-12-27 LU LU45118D patent/LU45118A1/xx unknown
-
1964
- 1964-01-21 DK DK31164AA patent/DK111197B/da unknown
- 1964-07-29 OA OA50219A patent/OA00272A/xx unknown
-
1965
- 1965-10-30 CY CY32365A patent/CY323A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0037537A1 (de) * | 1980-04-03 | 1981-10-14 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Verfahren zur Herstellung hochspezifischer Aktivkohle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1517297B1 (de) | 1970-08-06 |
| CY323A (en) | 1965-10-30 |
| NL123406C (cs) | 1967-07-17 |
| FI40148C (fi) | 1968-10-10 |
| LU45118A1 (cs) | 1964-02-27 |
| FR1356061A (fr) | 1964-03-20 |
| FI40148B (cs) | 1968-06-28 |
| DK111197B (da) | 1968-06-24 |
| SE302737B (cs) | 1968-07-29 |
| CH440083A (de) | 1967-07-15 |
| AT251464B (de) | 1967-01-10 |
| OA00272A (fr) | 1966-05-15 |
| US3251365A (en) | 1966-05-17 |
| ES287631A1 (es) | 1963-11-01 |
| NL293155A (cs) | |
| GB973854A (en) | 1964-10-28 |