| Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806) |
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| 04/30/1997 | CN2253120Y Composite filter tip of cigarette |
| 04/29/1997 | CA2121289C Smoker's accessory |
| 04/29/1997 | CA2121282C Cigarette smoke filter system |
| 04/23/1997 | EP0769253A2 Tobacco filter materials and tobacco filter as produced by using the same |
| 04/23/1997 | CN1148324A Tobacco products, or substances similar to such products, contg. natural substances with anti-oxidant properties, and process for producing same |
| 04/22/1997 | US5622190 Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core |
| 04/15/1997 | US5620641 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom |
| 04/10/1997 | WO1997012528A1 Biodegradable filter material and method for its manufacture |
| 04/10/1997 | DE19536505A1 Biologisch abbaubares Filtermaterial und Verfahren zu seiner Herstellung Biodegradable filter material and process for its preparation |
| 04/09/1997 | EP0766929A2 Tobacco filters and production process thereof |
| 04/09/1997 | EP0766519A1 Cigarette filter comprising entangled continuous lyocell filaments and process for entangling a lyocelltow |
| 04/09/1997 | CN1146880A Article perforating apparatus for tobacco processing |
| 04/08/1997 | US5618620 Filter rod for filtering the smoke of a cigarette |
| 04/08/1997 | US5617882 Filter contains organic and inorganic fibers; smoke removal |
| 04/08/1997 | CA2124414C Filter tow, method for the production thereof, as well as tobacco smoke filter element and method for its production |
| 04/08/1997 | CA2092176C Combination for improved delivery of tobacco modifying agents |
| 04/02/1997 | CN2250645Y Transmission gear of knife case for cigarette filter-tip shaper |
| 03/26/1997 | CN1146141A Improvements relating to tobacco smoke filtration material |
| 03/26/1997 | CN1145756A Non-toxic cigarette and cigar |
| 03/25/1997 | US5613504 Flavor generating article and method for making same |
| 03/19/1997 | CN1145206A Low free radical and low toxicity cigarette and its prodn. method |
| 03/18/1997 | CA2040635C Cigarette smoke filter |
| 03/13/1997 | DE19634760A1 Ceramic end cap for cigarette filter |
| 03/12/1997 | EP0761107A1 Device for perforating articles of the tobacco manufacturing industry |
| 03/11/1997 | US5609677 Biodegradable cellulose ester composition and article |
| 03/06/1997 | WO1997007771A1 Refreshing compositions |
| 03/05/1997 | CN2248460Y Cigarette holder with filtering function |
| 03/04/1997 | US5607043 Device for aligning rod members |
| 02/26/1997 | EP0758853A1 Cigarette filter materials |
| 02/26/1997 | CN2247946Y Filter-tip for poison and impurity taste of cigarette |
| 02/20/1997 | WO1997005790A1 Filter medium and cigarette filter made with the use of the same |
| 02/19/1997 | EP0758695A2 Water-dispersible sheet and cigarette using the same |
| 02/19/1997 | EP0758532A2 Water-dispersible sheet for cigarettes and cigarette using the same |
| 02/12/1997 | EP0536407B1 Vented filter cigarette |
| 02/12/1997 | CN1142339A Superfiltering composite tip |
| 02/05/1997 | EP0756461A1 Tobacco products, or substances similar to such products, containing natural substances with anti-oxidant properties, and process for producing the same |
| 02/05/1997 | EP0756460A1 Improvements relating to tobacco smoke filtration material |
| 02/04/1997 | CA2125911C Method for processing waste material in the form of filter rods, filter cigarettes and the like |
| 01/29/1997 | CN2245860Y Super-filtering filtertip |
| 01/29/1997 | CN1141145A Anti-countfeit colored filter of cigarette and method for coloration therefor |
| 01/15/1997 | EP0753265A1 Method for manufacturing a filter cigarette and device to carry out the method |
| 01/15/1997 | CN2244814Y Cigarette filter with radial spray nozzle diverter |
| 01/15/1997 | CN2244813Y Magnetizing filter for cigarette |
| 01/14/1997 | CA2049573C Uniform tar delivery profile filter |
| 01/08/1997 | CN2244306Y Ultra-filtering composite cigarette filter-tip |
| 01/08/1997 | CN1139961A Fiber production process and fiber produced thereby |
| 01/07/1997 | US5590449 Apparatus for stretching plasticizing and gathering a tow of filter material for tobacco smoke |
| 01/01/1997 | CN2243786Y Health cigarette filter |
| 01/01/1997 | CN1139463A Spunbond loop material for hook and loop fastening systems |
| 12/27/1996 | EP0749502A1 Fibre production process and fibre produced thereby |
| 12/27/1996 | EP0491952B1 Article for smoking |
| 12/25/1996 | CN2243188Y Cigarette filtering tip |
| 12/25/1996 | CN1138438A Filter-tip of cigarette |
| 12/25/1996 | CN1033617C Nonwoven filter and method of manufacture |
| 12/24/1996 | US5588068 Methods and apparatus for inspecting the appearance of substantially circular objects |
| 12/12/1996 | WO1996039054A1 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom |
| 12/11/1996 | EP0746330A1 Airborne protectants against oxidative tissue damage |
| 12/11/1996 | CN1137364A Tobacco filters and method of producing the same |
| 12/04/1996 | EP0745336A2 Tobacco filters and a method of producing the same |
| 12/04/1996 | CN1137225A Bicomponent fiber and tobacco filters formed therefrom |
| 11/27/1996 | CN1136766A Smoking articles |
| 11/20/1996 | CN2240255Y Cigarette holder with filter function |
| 11/20/1996 | CN1136267A Cigarette filters |
| 11/19/1996 | US5575302 Filter for removing nitrogen oxides from tobacco smoke |
| 11/12/1996 | CA2101345C Cigarette |
| 11/12/1996 | CA2082512C Tipping paper and cigarette using the same |
| 11/06/1996 | EP0740907A1 Smoker's article |
| 11/05/1996 | US5571604 Adsorbent fibrous nonwoven composite structure |
| 11/05/1996 | US5570707 Cigarette with filter |
| 11/04/1996 | CA2175520A1 Smoker's article |
| 10/30/1996 | CN1033138C Tobacco filter stock |
| 10/29/1996 | US5568819 Cigarette filter |
| 10/29/1996 | CA2066418C Smoking article |
| 10/23/1996 | CN2237947Y Multiple microporous filtering oxygen-increasing type cigarette |
| 10/22/1996 | US5566812 Aligning device used in manufacturing filter plugs for cigarettes |
| 10/16/1996 | EP0737038A1 Bicomponent fibers and tobacco filters formed therefrom |
| 10/16/1996 | CN1133550A Removal of noxious oxidants and carcinogenic volatile nitrosocompounds from cigarette smoke using biological substances |
| 10/16/1996 | CN1133148A Method and device for producing filter fibre strip in tabacoo industry |
| 10/10/1996 | DE19611553A1 Method and appliance for producing tobacco products with cellulose acetate filters |
| 10/09/1996 | EP0736263A1 Method and device of making smoking articles with cellulose acetate filters |
| 10/09/1996 | CN2236757Y Cigarette filter |
| 10/02/1996 | CN2236240Y Cigarette tip eliminating nicotine and improving smell |
| 10/02/1996 | CN1132220A Cellulose ester compositions and shaped articles |
| 10/02/1996 | CN1132052A Tobacco smoke filter materials, fibrous cellulose esters, and production processes |
| 10/02/1996 | CN1132051A Method for prodn. of anti-forge cigarette |
| 09/25/1996 | CN1131902A Vantilated filter cigarette |
| 09/18/1996 | EP0732432A1 Photodegradable cellulose ester tow |
| 09/18/1996 | EP0731651A1 Cigarette filters |
| 09/18/1996 | CN1131004A Tobacco filter material and tobacco filter as produced using the same |
| 09/11/1996 | CN2234704Y Filter-tip |
| 09/11/1996 | CN1130492A Composite rod manufacture |
| 09/03/1996 | CA2007022C Coaxial filter cigarette |
| 08/27/1996 | US5549125 Relating to smoking articles |
| 08/27/1996 | US5549124 Water filter for cigarettes |
| 08/21/1996 | EP0726977A1 Spunbond loop material for hook and loop fastening systems |
| 08/21/1996 | EP0552234B1 A combination for improved delivery of tobacco modifying agents |
| 08/21/1996 | CN1129089A A tobacco filter material and a method for producing the same |
| 08/14/1996 | CN1128638A Composite cigarette filter |
| 08/07/1996 | EP0724391A1 Improvements in or relating to smoking articles |
| 08/06/1996 | US5542901 Vacuum arrangement on combiner |