| Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806) |
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| 02/25/1998 | EP0825113A1 Method and device for tranferring a single moving layer of tobacco products to a multi-layer stream of articles |
| 02/25/1998 | EP0693888B1 Smoker's accessory |
| 02/25/1998 | EP0693887B1 Cigarette smoke filter system |
| 02/25/1998 | CN1174003A Filter tip material for cigarette and its preparation |
| 02/24/1998 | US5720803 Biodegradable cellulose ester composition and article |
| 02/19/1998 | WO1998006282A1 Protective devices for smoking |
| 02/17/1998 | US5718250 Low gas phase filter for cigarettes |
| 02/11/1998 | CN1172617A Dispelling harmful substance to health from cigarette |
| 02/10/1998 | CA2126159C Method and apparatus for producing fiber skeins |
| 02/04/1998 | EP0821886A2 Method of providing aromatic compounds from tobacco |
| 01/27/1998 | US5711322 Tobacco filter material and a method of producing the same |
| 01/20/1998 | US5709227 Degradable smoking article |
| 01/14/1998 | CN1169835A Process for making cigarette filtering tip |
| 01/13/1998 | US5706833 Biodegradable |
| 12/31/1997 | CN2271261Y Health cigarette |
| 12/11/1997 | WO1997029319A3 Bioluminescent novelty items |
| 12/10/1997 | CN1167117A Method for extracting and preparing biological preparation using chitin as raw material and application thereof |
| 12/10/1997 | CN1036669C Multiple width fiber strip and method and apparatus for its production |
| 12/09/1997 | US5695441 Filter plug feeding apparatus for a filter cigarette manufacturing machine |
| 12/03/1997 | CN1166305A Low CO cigarette |
| 12/02/1997 | US5692527 Tobacco smoke filter materials, fibrous cellulose esters, and production processes |
| 12/02/1997 | US5692291 Method of manufacturing an electrical heater |
| 11/25/1997 | US5690126 Tobacco filter materials and tobacco filter as produced by using the same |
| 11/11/1997 | US5685323 Disposable filter attachment for smoking articles |
| 11/05/1997 | EP0804098A1 Filter for tobacco smoke |
| 11/05/1997 | CN1036313C Selectively cut-off filtered modified polypropylene tow for cigarette and its producing method |
| 11/04/1997 | US5683777 Multiple width fiber strip and method and apparatus for its production |
| 10/22/1997 | CN1162911A Filter for tobacco smoke |
| 10/21/1997 | US5678577 Tobacco filter material and a tobacco filter as produced using the same |
| 10/15/1997 | CN2264480Y Portable filtering cigarette mouthpiece |
| 10/15/1997 | CN2264479Y Cigarette with tar-removing layer |
| 10/15/1997 | CN1161814A High-speed opener for opening fiber strip of cigarette filter tip |
| 10/01/1997 | EP0797931A1 Dual section ventilated cigarette filter with flavour containing sleeve |
| 10/01/1997 | EP0797390A1 Removal of undesirables in liquid or gas |
| 10/01/1997 | CN1160517A Apparatus for heating adhesive-containing seams of wrappers of rods of tobacco processing industry |
| 09/30/1997 | US5672306 Method of making an adsorbent fibrous nonwoven composite structure |
| 09/30/1997 | US5671758 Catalytic cigarette smoke cleaning devise and process |
| 09/30/1997 | US5671757 Body of filter consists of lyocell fibers |
| 09/24/1997 | CN2262809Y Activited low tar cigarette |
| 09/24/1997 | CN2262808Y Cigarette with three-step filter-tip |
| 09/24/1997 | CN1159901A Spongy cylindrical mesh filter stick coated with cellulose acetate and making method thereof |
| 09/24/1997 | CN1159900A Toxicity-reducing cigarette |
| 09/23/1997 | US5669900 Spunbond loop material for hook and loop fastening systems |
| 09/23/1997 | CA2126160C Multiple width fiber strip and method and apparatus for its production |
| 09/17/1997 | EP0641187B1 Coolant compositions |
| 09/12/1997 | WO1997033026A1 Melt-blown non woven fabric, process for producing same and the uses thereof |
| 09/10/1997 | EP0793696A1 Glue with enzymatically disaggregated starch |
| 09/09/1997 | US5664586 Tobacco smoke filters and filter rods therefor |
| 09/03/1997 | EP0792913A2 Biodegradable cellulose ester composition and article |
| 09/02/1997 | US5662126 Smoke filter containing particulate smoke modifying additive |
| 08/27/1997 | CN2260464Y Health-care filter tip (of cigarette) |
| 08/21/1997 | WO1997029655A1 Cigarette filter |
| 08/21/1997 | DE19605863A1 Cigarettenfilter Cigarette filter |
| 08/20/1997 | EP0790007A1 Low CO cigarette |
| 08/20/1997 | EP0790006A2 Method and apparatus for determining the density of a rod in the tobacco industry |
| 08/20/1997 | CN2259770Y Health-care mouthpiece with filter |
| 08/19/1997 | US5657772 Smoking article and filter therefor |
| 08/14/1997 | WO1997029319A2 Bioluminescent novelty items |
| 08/13/1997 | CN2259059Y Cigarette holder capable of filtering tar oil |
| 08/12/1997 | CA2043908C Method of producing tobacco flavored cigarette filter |
| 08/06/1997 | CN1156009A Polypropylene fiber cigarette filter tip |
| 07/30/1997 | CA2195044A1 Low co cigarette |
| 07/23/1997 | CN1154817A Additive for filter-tip of cigarette |
| 07/23/1997 | CN1154816A Device of forming belt for transfering tobacco industrial fiber bundle from suction conveying belt to package conveying stripe belt |
| 07/22/1997 | US5649551 Apparatus for transferring a flow of fibrous material of the tobacco processing industry from a pneumatic belt conveyor onto a garniture belt for webs of wrapping material |
| 07/17/1997 | WO1997024934A1 Smoking articles |
| 07/16/1997 | EP0783841A1 Filter medium and cigarette filter made with the use of the same |
| 07/16/1997 | CN2257647Y Cigarette with tip for giving up smoking |
| 07/15/1997 | US5647383 Photodegradable cellulose ester tow |
| 07/09/1997 | EP0782400A1 Selective filtration device |
| 07/09/1997 | EP0461162B1 Uniform tar delivery profile filter |
| 07/09/1997 | CN1153621A Tar-reducing filter tip for cigarette and its prodn |
| 07/08/1997 | US5645087 Method of and apparatus for decontaminating the exposed surfaces of filter mouthpieces in smokers' products |
| 07/03/1997 | WO1997023783A1 Methods for measurement and treatment predicated on the presence of advanced glycosylation endproducts in tobacco and its combustion byproducts |
| 07/03/1997 | CA2241924A1 Methods for measurement and treatment predicated on the presence of advanced glycosylation endproducts in tobacco and its combustion byproducts |
| 07/02/1997 | CN1153028A Non-combustible health cigarette and producing method thereof |
| 06/26/1997 | WO1997022268A1 Cigarette filter containing microcapsules |
| 06/25/1997 | EP0780059A1 Heating device for the glue seam of a rod in the tobacco industry |
| 06/25/1997 | CN2256638Y 麦饭石滤嘴 Maifanshi filter |
| 06/25/1997 | CN1152421A Health care cigarette filter tip of tea dust |
| 06/18/1997 | CN2256218Y High efficiency poison filtering cigarette |
| 06/18/1997 | CN1151849A Tobacco filter materials and tobacco filter tip as produced by using the same |
| 06/17/1997 | US5638833 Cigarette smoke filter system |
| 06/12/1997 | DE19549261A1 Method of manufacturing biochemical catalytic toxin filter and vitamin disperser for cigarette smoking products |
| 06/11/1997 | EP0777977A2 Degradable smoking article |
| 06/11/1997 | EP0777976A2 Extruded filtration material |
| 06/11/1997 | EP0777425A1 Concentric core filter |
| 06/11/1997 | CN2255730Y Cigarette capable of regulating intaking air |
| 06/04/1997 | CN1151107A Cigarette filter tip materials |
| 06/04/1997 | CN1150952A Photodegradable cellulose ester tow |
| 05/28/1997 | EP0775452A1 Device for transferring a stream of fibers from a foraminous endless belt to a belt supporting the wrapper web in the tobacco industry |
| 05/28/1997 | EP0680265B1 Biodegradable tobacco smoke filters |
| 05/28/1997 | CN1150746A Cigarette filter comprising entangled continuous lyocell filaments and process for entangling lyocelltow |
| 05/27/1997 | US5633082 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom |
| 05/27/1997 | US5632286 Crimped elements for cigarettes and the like and methods and apparatus for making same |
| 05/20/1997 | US5630873 Treating acetyl cellulose with titanium dioxide, paraffin oil and dispersants, spinning for delustering |
| 05/20/1997 | CA2069078C Smoking articles |
| 05/15/1997 | WO1997016986A1 Filter cigarette |
| 05/15/1997 | DE19541873A1 Filterzigarette Filter cigarette |
| 05/07/1997 | EP0660840B1 Phosphono substituted tetrazole derivatives |