| Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806) |
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| 02/27/2003 | US20030037791 Cigarettes containing gold or silver particles and manufacturing methods of the cigarette filter |
| 02/20/2003 | WO2003013287A1 Filter for cigarette |
| 02/20/2003 | WO2003013286A1 Filter for cigarette |
| 02/20/2003 | WO2003013285A1 A filtering material for cigarette and its process to use ginkgo leaf ingredients |
| 02/20/2003 | WO2002009646B1 Plant derived antioxidants |
| 02/20/2003 | US20030034590 Compaction system for particles in particle filled cavities of an article |
| 02/20/2003 | US20030033685 Vacuum cleaning wheel and vacuum applicator |
| 02/19/2003 | CN1397238A Polypropylene fibre filter-tip coated with diacetylcellulose adhesive |
| 02/19/2003 | CN1397237A Cigarette bomb and toxin-filtering smoking set |
| 02/13/2003 | US20030029466 Smoke modifying agents and smoking material rods comprising smoke-modifying agents |
| 02/12/2003 | CN1395889A Process for preparing polypropylene filter rod for cigarettes |
| 02/12/2003 | CN1101161C Coaxial cigarette |
| 02/12/2003 | CN1101160C Ventilating filter-tip cigarette |
| 02/06/2003 | WO2003009711A1 Taste changeable tobacco |
| 02/06/2003 | US20030027007 Filters comprising butyl acrylate-ethylene copolymer which bonds wrap seam and anchors filter in place on the rod |
| 02/06/2003 | US20030024884 Method for removing oil, petroleum products and/or chemical, pollutants from liquid and/or gas and/or surface |
| 02/04/2003 | CA2296690C Cellulose acetate with trilobal cross section |
| 01/30/2003 | WO2003008120A2 Oxidative thermochemical drying process for changing hydrophilic/hydrophobic characteristics of natural organic substances |
| 01/29/2003 | CN2532697Y Nano-rod for cigarette filter-tip |
| 01/29/2003 | CN1393185A Method for decreasing tar content in cigarette |
| 01/29/2003 | CN1393184A Method for decreasing tar content in cigarette |
| 01/28/2003 | US6511549 Vacuum cleaning wheel and vacuum applicator |
| 01/22/2003 | EP1276547A1 High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials |
| 01/22/2003 | CN1099438C Molded article of biodegradable cellulose acetate and filter plug for article to be smoked |
| 01/15/2003 | EP1274324A1 Cigarette filters of shaped micro cavity fibers impregnated with flavorant materials |
| 01/09/2003 | US20030005940 Smoking article including a selective carbon monoxide pump |
| 01/08/2003 | CN1098385C Surface modifier of polypropylene fibre for cigarettes and its surface modifying process |
| 01/07/2003 | US6502582 Thin cigarettes having filter elements with distinct relative retentions |
| 01/07/2003 | US6502580 Hypobaric cigarette filter device |
| 01/02/2003 | US20030000538 Method and product for removing carcinogens from tobacco smoke |
| 01/02/2003 | EP1014813B1 Thin cigarettes |
| 01/02/2003 | EP0881889B1 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers and products formed therefrom |
| 01/01/2003 | CN1387803A Cigarette filtering tip with nano-material |
| 01/01/2003 | CN1097501C Perforating device for strip material |
| 12/27/2002 | WO2002076246A3 Method and device for producing a filter and corresponding filter |
| 12/19/2002 | WO2002037990A3 Method and product for removing carcinogens from tobacco smoke |
| 12/19/2002 | DE10206023A1 Renewable filter for smoking cigarettes comprises two or more parts which can be separated and connected as often as required to enable tar residues to be removed |
| 12/18/2002 | EP1265503A1 Cigarettes containing gold or silver particles and manufacturing methods of the cigarette filter |
| 12/18/2002 | CN2525821Y Ventilating dilution structure of tar reducing filter-tip for cigarette |
| 12/12/2002 | WO2002098246A1 Filter assembly for cigarette and method for manufacturing the same |
| 12/12/2002 | US20020185142 Method for producing cigarette containing clay minerals of loess and cigarette produced from the same |
| 12/12/2002 | CA2447059A1 Filter assembly for cigarette and method for manufacturing the same |
| 12/11/2002 | EP1263517A2 Method and device for continuous compression of a moved flow of filter material |
| 12/11/2002 | CN1383764A Method of preparing cigarette containing loess, clay other minerals and cigarette product thereof |
| 12/05/2002 | WO2002096227A2 Method of separating streams of displacing multi-layered stacks of rodlike elements and valve device for separating streams of multi-layered stacks of rodlike elements |
| 12/05/2002 | US20020179106 Reduced ignition propensity smoking article with a polysaccharide treated wrapper |
| 12/05/2002 | US20020179104 Tobacco additive |
| 12/05/2002 | US20020179103 Antioxidant enzyme compositions for use with cigarettes |
| 12/05/2002 | DE10123351A1 Cigarette-filter production machine and method involve preparation, drawing and humidity supply appliances, with suction pipe and steam injector |
| 12/05/2002 | CA2444966A1 Method of separating streams of displacing multi-layered stacks of rodlike elements and valve device for separating streams of multi-layered stacks of rodlike elements |
| 12/04/2002 | CN2523220Y Filter-tipped cigarette |
| 12/04/2002 | CN1382401A Filter-tip and its prodn. method |
| 11/28/2002 | DE10121310A1 Filter Tow Filter Tow |
| 11/27/2002 | EP1259130A1 Item for smoking |
| 11/27/2002 | EP1259129A1 Device and method for producing a filter cable treated with an additive |
| 11/27/2002 | CN1382023A 香烟过滤嘴 Cigarette filters |
| 11/21/2002 | WO2002091866A1 Glutathione, green tea, grape seed extract to neutralize tobacco free radicals |
| 11/20/2002 | CN1380019A High-effective tar-reducing filter rod |
| 11/19/2002 | US6481442 Smoking article including a filter for selectively removing carbonyls |
| 11/14/2002 | US20020166564 Silica resin filter for smoking articles |
| 11/14/2002 | US20020166563 Cigarette and filter with downstream flavor addition |
| 11/13/2002 | EP1255458A1 Filter cigarette |
| 11/07/2002 | WO2002087366A2 Filter tow made from crimped endless cellulose acetate filaments |
| 11/06/2002 | CN1377718A Method for removing oil, petroleum product and/or chemical pollutant from liquid and/or gas and/or surface |
| 11/05/2002 | US6475288 Smoke-modifying agents and smoking material rods comprising smoke-modifying agents |
| 10/31/2002 | WO2002085143A1 High surface area micro-porous fibers from polymer solutions |
| 10/31/2002 | CA2444396A1 High surface area micro-porous fibers from polymer solutions |
| 10/30/2002 | EP1252832A2 Filter and method of production of filters |
| 10/30/2002 | CN2518343Y Easy-to-smoke filter-tip of cigarette |
| 10/30/2002 | CN2518342Y Super filter-tip cigarette |
| 10/30/2002 | CN1377493A Method for production of packaging by enveloping good to be packaged |
| 10/30/2002 | CN1376433A Molecular sieve for cigarette |
| 10/29/2002 | US6470894 Glutathione, green tea, grape seed extract to neutralize tobacco free radicals |
| 10/24/2002 | US20020153017 Filters and method for producing filters |
| 10/24/2002 | DE10119820A1 Cigarette filter consists of different types of filter material enclosed by transparent jacketing material and outer paper cover |
| 10/23/2002 | EP1250856A2 Smoking article and smoking material therefor |
| 10/23/2002 | EP1250854A1 Poison-reduced cigarette and filter thereof |
| 10/23/2002 | EP0881890B1 Cigarette filter |
| 10/23/2002 | CN1375246A Prepn. of stuffing for filter tip of cigarette |
| 10/17/2002 | WO2002080708A2 A smoker's requisite |
| 10/17/2002 | US20020148478 Tobacco smoke filter and relative composition made of antioxidant and mineral substances |
| 10/17/2002 | DE10116562A1 Cigarette and pipe filter consists of triple filter with three communicating filters, nozzle system |
| 10/16/2002 | CN2515969Y Cigarette filter tip having different taste on cypress paper |
| 10/16/2002 | CN2515968Y Cigarette filter with hole on formed paper |
| 10/10/2002 | WO2002078472A1 Cigarette filter |
| 10/10/2002 | WO2002078471A1 Reduced ignition propersity smoking article with a polysaccharide treated wrapper |
| 10/10/2002 | US20020144490 Method and apparatus for spinning a web of mixed fibers, and products produced therefrom |
| 10/10/2002 | CA2442616A1 Reduced ignition propersity smoking article with a polysaccharide treated wrapper |
| 10/09/2002 | EP1247856A1 Method for removing oil, petroleum products and/or chemical pollutants from liquid and/or gas and/or surface |
| 10/03/2002 | WO2002076246A2 Method and device for producing a filter and corresponding filter |
| 10/03/2002 | US20020139099 Method and apparatus for spinning a web of mixed fibers, and products produced therefrom |
| 10/02/2002 | EP1244365A1 Method for producing an acidified filter for tobacco products and the use thereof |
| 10/02/2002 | EP1032283B1 Biodegradable cigarette filter |
| 10/02/2002 | DE10115120A1 Method and appliance for producing filters comprise two cutters, two rollers, bobbin, two guides with openings for strips |
| 10/02/2002 | CN2513388Y Natural fibre filter-tip for cigarette |
| 10/02/2002 | CN2513387Y Sanitary cigarette |
| 10/02/2002 | CA2346252A1 Method for removing oil, petroleum products and/or chemical pollutants from liquid and/or gas and/or surface |
| 10/01/2002 | US6457475 Cigarette having projections of an embossed plug wrap attached to a tipping paper |
| 09/26/2002 | US20020134063 Extrusion of mono/bicomponent fibers via spinneret orifices in the same die system/plate |
| 09/18/2002 | EP1239745A1 Anti-oxidant inhalant and method |