Patents
Sitemap › A24 - Tobacco; Cigars; Cigarettes; Smokers' requisites › A24D - Cigars; Cigarettes; Tobacco smoke filters; Mouthpieces for cigars or cigarettes; Manufacture of tobacco smoke filters or mouthpieces › A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes
Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806)
03/1990
03/13/1990US4907609 Method of increasing the hardness of cigarette filter elements
02/1990
02/28/1990CN1039959A High efficiency archen nicotine, tobacco tar filter tip
02/27/1990US4904308 Adjustable smoker's mouthpiece
02/27/1990US4903714 Smoking article with improved mouthend piece
02/22/1990WO1990001574A1 Improved pinned rollers and processes for manufacturing fibrillated films
02/22/1990WO1990001573A1 Polyolefin filter tow and method of making it
02/21/1990CN1039712A Series waste recovery making filter rod and device
02/14/1990CN2052620U Filtering device for non-tip cigarette
02/14/1990CN1039531A Method and device for control of by-products from cigarette smoke
02/06/1990US4898190 Adjustable air dilution cigarette with pressure drop compensation
01/1990
01/30/1990US4896683 Selective delivery and retention of nicotine by-product from cigarette smoke
01/30/1990US4896682 Cigarette filter rods and cigarettes incorporating such filter rods
01/18/1990DE3823707A1 Verfahren und vorrichtung zur herstellung von filterstaeben fuer stabfoermige rauchartikel Method and apparatus for manufacturing filterstaeben stabfoermige for smoking articles
01/17/1990EP0351252A2 Nitrogen monoxide absorbing compositions
01/16/1990US4893637 Apparatus and methods for making components of a smoking article
01/09/1990US4892453 Apparatus for manipulating empty and filled trays for cigarettes and like rod-shaped articles between making and processing machines
01/03/1990EP0348741A2 Method and device for control of by-products from cigarette smoke
12/1989
12/26/1989US4889145 Smoking rod wrapper and compositions for their production
12/26/1989US4889144 With flavor-sealed polysaccharide particles
12/26/1989US4889143 Cigarette rods and filters containing strands provided from sheet-like materials
12/26/1989US4888977 Method of ascertaining the rate of fluid flow through the ventilation zones of rod-shaped articles of the tobacco processing industry
12/20/1989EP0346648A2 Process for impregnating the fibres of a tobacco smoke filter with di- or polycarboxylic acids or their anhydrides
12/20/1989CN1038014A Smoking article with improved means for delivering flavorants
12/12/1989EP0316318A4 Fiber separator.
11/1989
11/28/1989US4883449 Device for making grooves in cigarette filters
11/22/1989CN1037267A Process and equipment for producing cigarette filter
11/21/1989US4881555 Cigarette whih releases an agreeable aroma
11/15/1989CN1037075A Filter tip for cigarette
11/14/1989CA1262818A1 Matrix entrapment of flavoring for smoking articles
11/02/1989EP0339690A2 Smoking article
11/02/1989EP0339689A2 Smoking article
11/02/1989DE3813785A1 Foerdervorrichtung zum foerdern stabfoermiger artikel der tabakverarbeitenden industrie Foerdervorrichtung to promote stabfoermiger articles of the tobacco processing industry
10/1989
10/25/1989CN2046314U Harmless filter tips
10/18/1989EP0337508A2 A carbonaceous fuel element for a smoking article
10/18/1989EP0337507A2 Method of preparing a fuel element for a smoking article and smoking article havin a fuel element produced by this method
10/18/1989EP0337506A2 Smoking article
10/18/1989EP0166764B1 Hydrophobic, crystalline, microporous silaceous materials of regular geometry
10/17/1989US4874004 Coaxial cigarette
10/11/1989EP0336458A2 Smoking article
10/04/1989CN2045195U Smoke expanding and separating type filter tip of cigarette
09/1989
09/26/1989US4869276 Hinged filter sleeve
09/26/1989US4869275 Ultra-high filtration filter
09/26/1989US4869274 Cooling apparatus for use in the manufacture of tobacco filters
09/26/1989CA1261227A1 Method for selective adhesive application for manufacturing cigarette fiber filter elements
09/26/1989CA1260791A1 Smoking articles
09/26/1989CA1260408A1 Fiber filter and stabilizer formulation
09/26/1989CA1260349A1 Process for providing roll reconstituted tobacco material
09/26/1989CA1259878A1 Aspiration device for a smoking article
09/19/1989US4867734 Apparatus for manufacturing dual filter plugs for cigarettes and method of manufacturing the same
09/19/1989US4867182 Temperature/humidity controlled valve for a smoking article
09/12/1989US4865056 Easily breakable plastic capsule and a water filter for a cigarette using the same
09/12/1989US4865055 Ventilated cigarette of uniform flavor
09/06/1989EP0330709A1 Controlled draft and efficiency filter element for smoking articles
09/06/1989CN2043829U Hollow tip cigarette
09/05/1989US4862905 Rods containing pelletized material
09/05/1989CA1259009A1 Ventilated cigarette filter
08/1989
08/30/1989CN1035040A Rod making apparatus for smoking article manufacture
08/29/1989US4861324 Apparatus for manufacturing tobacco filter
08/23/1989CN2043054U Pen type temp. lowering filter-tip
08/22/1989US4858629 Increased volume synthetic fibres, procedure for producing them and their use, in particular for filters
08/17/1989DE3901833A1 Process and apparatus for the production of stick-shaped articles of the tobacco-processing industry
08/09/1989CN2042287U Filter tip of cigarette
08/08/1989CA1258214A1 Ventilated tobacco smoke filter
08/01/1989CA1258023A1 Cigarette filter unit
07/1989
07/25/1989US4850301 Apparatus for applying liquid additives to a continuous, multifilament tow
07/18/1989US4848375 Filter cigarette
07/18/1989CA1257520A1 Thermally bonded polyolefin gas filters
07/04/1989CA1256775A1 Cigarettes
06/1989
06/28/1989EP0321740A1 Coaxial cigarette
06/27/1989US4841995 Tar removing cigarette holder
06/20/1989CA1255991A1 Adjustable filter cigarette
06/20/1989CA1255990A1 Cigarette filter unit and method for the production thereof
06/15/1989DE3741408A1 Filter for arranging in a cigarette tip, especially for the smoking of cigarettes freed of nicotine and harmful constituents
06/13/1989US4838286 Smoking articles
06/07/1989CN2038720U Sandwish filter-tip for cigarette
06/06/1989US4836224 Cigarette
05/1989
05/30/1989US4834117 Filter for a smoking article
05/24/1989EP0317154A1 Filter cigarette
05/24/1989EP0316948A1 Apparatus for manufacturing dual filter plugs for cigarettes and method of manufacturing the same
05/24/1989EP0316318A1 Fiber separator.
05/23/1989CA1254479A1 Cigarette filter
05/16/1989US4830028 Salts provided from nicotine and organic acid as cigarette additives
05/09/1989US4827948 Apparatus for changing the direction of transport of rod-shaped articles of the tobacco processing industry
05/05/1989WO1989003904A1 Spinneret orifices and four-wing filament cross-sections therefrom
05/03/1989CN2036757U Filter tip
05/03/1989CN1032618A Tobacco smoking article
04/1989
04/20/1989WO1989003183A1 New antinicotine filter for cigarettes
04/18/1989US4821750 Skinless cellulose acetate hollow fibers
04/12/1989CN1032283A Manufacture of cigarette filter rod by physically reclaiming waste material
04/05/1989EP0310257A1 Cigarette filter rods and cigarettes incorporating such filter rods
04/05/1989CN1032102A Polypropylene rayon bunch for filter of cigarette
04/04/1989US4817638 Apparatus for adjusting a cigarette having variable smoking characteristics
03/1989
03/29/1989EP0309220A1 Improvements in or relating to smoking articles
03/29/1989CN2034772U Sterilized cigarette holder with life-prolonging sweet medicine
03/23/1989DE3729820A1 Filter for cigarette smoke
03/22/1989EP0308108A1 Cigarette
03/22/1989EP0307686A2 Apparatus for making components of a smoking article
03/16/1989DE3729759A1 Filter cigarette
03/15/1989CN2033973U High efficient filter poison cigarette holder
03/14/1989US4811745 Polypropylene filter impregnated with modifier
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