| Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806) |
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| 03/18/1980 | US4193409 Method and apparatus for regulating the permeability of wrapping material for rod-shaped smokers' products |
| 03/18/1980 | CA1073773A1 Cigarette filter |
| 03/11/1980 | US4192838 Process for producing filter material |
| 03/04/1980 | CA1072850A1 Apparatus for combining a tube with a cigarette filter |
| 02/26/1980 | US4190643 P-methane-3-carboxamides stimulants |
| 02/19/1980 | US4189511 Filter |
| 02/19/1980 | US4188960 Fibers filter rods and other nonwoven articles made from poly(1,2-propylene terephthalate) copolyesters of terephthalic acid, 1,2-propylene glycol and ethylene glycol |
| 02/19/1980 | US4188847 Method and apparatus for perforating an assembled filter used on a smoking product |
| 02/06/1980 | EP0007375A1 Cigarette with filter and manufacturing process |
| 01/29/1980 | US4185941 Method and apparatus for assembling rod-like articles |
| 01/29/1980 | US4185645 Production of cigarette filter units |
| 01/29/1980 | US4185643 Mouthpiece paper for cigarettes |
| 01/29/1980 | CA1070587A1 Tobacco-smoke filters |
| 01/22/1980 | US4184412 Pocket-type charcoal filter and cigarette made therewith |
| 01/08/1980 | US4182350 Cigarette filter |
| 01/08/1980 | US4182348 Removal of nitric oxide and carbon monoxide from tobacco smoke |
| 01/01/1980 | US4181640 Fibers, filter rods and other nonwoven articles made from poly(1,2-propylene terephthalate) copolyesters of terephthalic acid, 1,2-propylene glycol and ethylene glycol |
| 01/01/1980 | US4181007 Method and an apparatus for conducting measurements of physical properties of cigarette filters |
| 12/25/1979 | US4180536 Process for extruding plasticized open cell foamed cellulose acetate filters |
| 12/18/1979 | US4179323 Cellulose acetates, cigarettes |
| 12/11/1979 | US4178459 N-Substituted paramenthane carboxamides |
| 12/04/1979 | CA1067648A1 Process for the production of anion exchangers |
| 11/27/1979 | US4175479 Cigarette-filter-making apparatus |
| 11/27/1979 | CA1066980A1 Vacuum plug feed machine |
| 11/20/1979 | US4174720 Glue transfer apparatus for cigarette filters |
| 11/20/1979 | US4174719 Microperforated filter tip cigarette |
| 11/20/1979 | CA1066582A1 Method of and apparatus for adhering sheet material wrappings and the like |
| 11/06/1979 | US4173504 Multicomponent filaments, propylene polymer, ethylene-vinyl acetate copolymer possibly saponified |
| 10/23/1979 | US4171705 Cigarette filter |
| 09/25/1979 | US4168712 Extended sheet cigarette filler |
| 08/28/1979 | US4166090 Fibrous material moulding apparatus |
| 08/28/1979 | CA1061218A2 Tobacco smoke filter (semi-circles) |
| 08/21/1979 | CA1060751A2 Tobacco smoke filter (plug-in-tube) |
| 08/14/1979 | US4164438 Method of making transverse flow of cigarette filters |
| 08/09/1979 | WO1979000518A1 Methods and apparatus for treating smoking articles |
| 08/07/1979 | US4163452 Tobacco-smoke filters |
| 07/31/1979 | CA1059401A1 Tobacco smoke filter and method |
| 07/31/1979 | CA1059400A1 Flavored cigarette |
| 07/25/1979 | EP0003064A2 Method for introducing analogs of vitamin A into the respiratory tract of a cigarette smoker |
| 06/05/1979 | US4157370 Apparatus and method for compacting multi-sectional particulate containing filters |
| 05/29/1979 | US4156431 Smoke processing |
| 05/29/1979 | CA1055355A Treatment of fibrillated fibres |
| 05/22/1979 | CA1054998A1 Paper tape splicer for cigarette makers |
| 05/22/1979 | CA1054894A2 Apparatus for making tobacco smoke filters |
| 05/17/1979 | WO1979000269A1 Cigarette with filter and manufacturing process |
| 05/15/1979 | CA1054441A1 Flavour modification |
| 05/08/1979 | US4153811 Hydroxy alkenyl norbornane derivatives |
| 05/08/1979 | US4153568 Process of enhancing the aroma of a soap with norbornane derivatives |
| 05/08/1979 | US4153064 Cigarette filters |
| 05/08/1979 | CA1053949A1 Fibrous material moulding apparatus |
| 04/24/1979 | US4151309 Flavoring with substituted norbornane derivatives |
| 04/17/1979 | US4150052 Physiological cooling effect on skin |
| 04/17/1979 | US4149550 Arranged in random orientation, the core being stiffened and enclosed by a crust |
| 04/17/1979 | US4149549 Cigarette and filter |
| 04/17/1979 | US4149546 Production of tobacco-smoke filters |
| 04/17/1979 | CA1052655A2 Tobacco smoke filter and method |
| 04/10/1979 | US4148826 Alkenyl and alkylidene norbornyl ketone derivatives |
| 03/20/1979 | US4145518 Fibers, filter rods and other nonwoven articles made from poly(1,2-propylene terephthalate)copolyesters of terephthalic acid, 1,2-propylene glycol and ethylene glycol |
| 03/06/1979 | US4143074 Alkanoyl dimethylnorbornanes |
| 03/06/1979 | CA1049878A1 Tobacco smoke filter (semi-circles) |
| 03/06/1979 | CA1049877A1 Tobacco smoke filter (itf grooved) |
| 03/06/1979 | CA1049876A1 Tobacco smoke filter (plug-in-tube) |
| 02/20/1979 | CA1048886A1 Tobacco filter |
| 02/07/1979 | EP0000625A1 Tobacco smoke filter element with alkali ferrate supported on granular material |
| 01/30/1979 | CA1047456A1 Apparatus for dispensing spaced deposits of particulate material |
| 01/30/1979 | CA1047351A2 Tobacco smoke filter (itf grooved) |
| 01/23/1979 | US4136208 Flavoring with substituted norbornane derivatives |
| 01/23/1979 | US4136163 P-menthane carboxamides having a physiological cooling effect |
| 01/23/1979 | US4136120 Process for the preparation of butenoyl norbornenes |
| 01/23/1979 | US4135523 Tobacco-smoke filters |
| 01/02/1979 | US4132189 Apparatus for applying plasticizer to fibrous filter material in filter rod making machines |
| 01/02/1979 | CA1045496A1 Filters for smoking articles |
| 12/19/1978 | US4130587 Substituted norbornane derivatives |
| 12/19/1978 | CA1044552A1 Method and device for the manufacture of a novel type filtering structure for cigarette filters, filters so obtained and cigarettes equiped with said filters |
| 12/05/1978 | CA1043649A1 Tobacco-smoke filters |
| 11/28/1978 | US4127025 Cigarette testing |
| 11/28/1978 | CA1043214A1 Production of tobacco-smoke filters |
| 11/21/1978 | US4126571 Process of enhancing the aroma of a soap with norbornane derivatives |
| 11/21/1978 | US4126570 Process of enhancing the aroma of a detergent with norbornane derivatives |
| 11/21/1978 | US4126569 Process of enhancing the aroma of a soap with liquid detergent norbornane derivatives |
| 11/21/1978 | US4126141 Filter and cigarette including a filter |
| 11/14/1978 | US4125061 Method for the production of filter structure for cigarette filters |
| 11/07/1978 | US4124033 Cigarette filter |
| 11/07/1978 | CA1041863A1 Perforated cigarette tipping paper |
| 10/31/1978 | US4123393 Substituted-norbornane perfume compositions |
| 10/24/1978 | US4121599 Filter |
| 10/17/1978 | US4120310 Filter for cigarettes, cigars and the like |
| 10/17/1978 | US4120308 Substituted norbornane derivatives used in the process of flavoring tobacco and the product thereof |
| 10/10/1978 | US4119577 Substituted-norbornane perfumes compositions |
| 10/10/1978 | US4119105 Air flow limiting filter |
| 10/10/1978 | CA1040047A1 Production of cigarette filter units |
| 10/03/1978 | CA1039606A1 Porous wraps for smoking articles |
| 10/03/1978 | CA1039602A1 Tobacco smoke filter (crimped tube-in-tube) |
| 09/26/1978 | US4116602 Apparatus for compacting multi-sectional particulate containing filters |
| 09/19/1978 | CA1038984A1 Water and glycol bonding dispersions for synthetic fibers |
| 09/12/1978 | CA1038519A1 Water and glycol bonding dispersions for synthetic fibers |
| 09/05/1978 | US4111740 Apparatus for joining axially abutting rods of the cigarette industry |
| 08/29/1978 | US4109666 Cigarette filter |
| 08/01/1978 | US4103596 Apparatus for feeding and cutting cigarette filter wrapper material |
| 07/18/1978 | US4100845 Method and machine for producing filter elements for tobacco smoke |