Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806)
04/1983
04/19/1983US4380241 Smoking articles
04/14/1983WO1983001181A1 Method and apparatus for production of smoke filter components
04/13/1983EP0076641A1 Method and apparatus for production of smoke filter components
04/12/1983US4379465 Process for producing a filtering structure in particular for cigarette filters
03/1983
03/30/1983EP0075128A2 Method for inactivating mutagens
03/16/1983EP0074201A2 Combustible carbon filter and smoking product
03/01/1983CA1142051A1 Smoke filtration
02/1983
02/23/1983EP0072512A1 Filter for cigarettes or the like
02/15/1983US4373539 Tobacco smoke filter
02/08/1983US4372710 Apparatus for manipulating filter rod sections or the like between producing and processing machines
02/08/1983US4372328 Fibrous material for tobacco smoke filter
01/1983
01/25/1983US4369796 Method and apparatus for forming an air dilution filter
01/18/1983US4368742 Apparatus for replenishing the supplies of filter rod sections in the magazines of filter tipping machines
01/18/1983US4368688 Apparatus for applying liquid plasticizer to filamentary filter material
01/05/1983EP0069056A1 Process to aromatise tabacco smoke, cigarette end piece to carry out the process, and use of the process
01/04/1983US4367249 Process and apparatus for controlling distributing and monitoring liquids
01/04/1983US4366826 Smoke filtration
12/1982
12/28/1982US4365641 Cigarette filter
12/28/1982CA1138291A1 Tobacco-smoke filters
12/23/1982WO1982004381A1 Tobacco smoke filters
12/21/1982US4364403 Smoke filtration
12/21/1982CA1137958A1 Smoking products
12/14/1982US4363333 Tobacco-smoke filters
12/14/1982CA1137379A1 Smoke filtration
12/09/1982EP0057201A4 Ventilated filter tip cigarette.
12/07/1982US4362172 Cigarette filter
12/07/1982US4362171 Cigarette filter
11/1982
11/30/1982US4361156 Method and applicator for applying glue to a travelling stream of tipping paper
11/09/1982US4357950 Tobacco smoke filter having improved tar/carbon monoxide ratio
11/02/1982US4357379 Polyester fibers
11/02/1982US4357188 Method for manufacturing cigarette filters
10/1982
10/26/1982US4355995 Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
10/26/1982CA1134236A1 Process and apparatus for controlling distributing and monitoring liquids
10/06/1982EP0061891A1 Catalysts and their production
09/1982
09/29/1982EP0061275A1 Tobacco product
09/28/1982US4351792 Apparatus for making grooves in tobacco smoke filters
09/22/1982EP0060488A1 Cigarette filter
09/21/1982US4350173 A crosslinked carbohydrate
09/07/1982CA1131192A1 Catalysts
09/02/1982WO1982002820A1 Tobacco smoke filter
09/01/1982EP0059042A1 Smoking articles with filters and apparatus for producing the same
09/01/1982EP0059041A1 Apparatus for forming channels in the periphery of filter elements
09/01/1982EP0059040A1 Smoking article with secondary air channels and apparatus for producing the same
08/1982
08/31/1982CA1130690A1 Process for producing a filtering structure in particular for cigarette filters
08/31/1982CA1130516A1 Open cell structure foamed cellulose acetate filters
08/25/1982EP0058463A1 Tobacco smoke filter
08/24/1982CA1130264A1 Gas phase reaction catalysts
08/17/1982US4344382 Apparatus for applying atomized plasticizer to a running tow of filamentary filter material
08/11/1982EP0057201A1 Ventilated filter tip cigarette
08/10/1982US4343320 Cigarette filter with oblique partitions
08/10/1982US4343319 Cigarette filter
08/03/1982US4342322 Cigarette filter
07/1982
07/13/1982US4338956 Cigarette filter
07/13/1982US4338882 Plasticizer installation for the treatment of a rope of fibres
07/13/1982CA1127494A1 Filter manufacturing technique
07/06/1982CA1127036A1 Method and apparatus for manufacturing filter-tipped cigarettes
06/1982
06/30/1982EP0054705A1 An impact filter for tipped cigarettes
06/15/1982CA1125618A1 Cigarette filter
06/08/1982CA1125263A1 Filter material and a method of manufacturing the same
06/01/1982CA1124702A1 Manufacture of activated carbon
05/1982
05/25/1982US4331166 Cigarette
05/25/1982US4331165 Ventilated cigarettes
04/1982
04/27/1982CA1122498A1 Production of tobacco-smoke filters
04/27/1982CA1122497A1 Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
04/13/1982US4324540 Apparatus for making grooves in tobacco smoke filters
04/13/1982CA1121685A1 Selective filtering of tobacco smoke by enhanced filtration efficiency
04/06/1982CA1121144A1 Filter for the removal of apolar organic substances from gases
03/1982
03/23/1982US4321050 Apparatus for severing and shifting plugs for cigarettes or the like
03/17/1982EP0047621A2 Improvements relating to filters
03/16/1982US4319590 Cigarette with removable smoke-modifying cartridges
03/09/1982US4318417 Flavorant composition for tobacco, method for producing the same tobacco product comprising said composition
03/02/1982US4317460 Smoking products
03/02/1982US4317425 Apparatus for applying plasticizer to fibrous filter material in filter rod making machines
02/1982
02/23/1982US4316730 Such as gigarette smoke
02/23/1982US4316475 Tobacco smoke filter plug and producing method therefor
02/23/1982CA1118656A1 Composite tipping structure for use on an air-ventilated cigarette and method of manufacturing same
02/18/1982WO1982000405A1 Ventilated filter tip cigarette
02/02/1982US4313974 Propulsion, adhesion, penetration
01/1982
01/26/1982US4312698 Fibrous rod forming device
01/19/1982US4311156 Cigarette filters containing menthol-adsorbed magnesium silicate
01/19/1982CA1116492A1 Aeration groove filter
01/19/1982CA1116491A2 Aeration groove filter
12/1981
12/22/1981US4306576 Cigarette filter
12/01/1981US4303080 Method for producing filter cigarettes
12/01/1981CA1113334A1 Production of tobacco smoke filters
11/1981
11/24/1981US4301816 Method of making rod-shaped smokers' products with multiplex filter mouthpieces
11/17/1981US4300577 Tobacco-smoke filters
11/17/1981US4300576 Smoking articles containing thaumatin or monellin
11/11/1981EP0039591A1 Cigarette
11/03/1981CA1111873A1 Feeding device for rod-like articles
10/1981
10/21/1981EP0038148A1 Mouthpiece for a cigarette and a cigarette with such a mouthpiece
10/20/1981US4295478 Composite tipping structure for use on an air-ventilated cigarette and method of manufacturing same
10/13/1981US4294265 Filter cigarette with inlet vent zones
10/06/1981US4292984 Filter for cigarette smoke
10/06/1981US4292983 Filter cartridge assembly
09/1981
09/29/1981US4292032 Production of tobacco-smoke filters
09/29/1981US4291712 Cigarette filter and filter cigarette
09/29/1981US4291711 Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
09/23/1981EP0036025A1 Method for providing an article of manufacture comprised of elongate filamentary material and apparatus for carrying out this method
09/22/1981CA1109353A1 Cigarette filter and filter cigarette
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