| Patents for A24D 3 - Tobacco smoke filters, e.g. filter-tips, filtering inserts; Mouthpieces for cigars or cigarettes (8,806) |
|---|
| 06/20/1978 | USRE29674 Preparing cigarette filters |
| 06/13/1978 | US4094324 Perforated cigarette tipping paper |
| 06/06/1978 | US4093496 Apparatus for assembling rod-like articles |
| 05/30/1978 | US4091822 Article for the selective removal of hydrogen cyanide from tobacco smoke |
| 05/23/1978 | US4090520 Method of and apparatus for adhering sheet material wrappings and the like |
| 05/23/1978 | US4090424 Apparatus for cutting filter plugs from a moving filter rod stream |
| 05/09/1978 | US4088065 Method and apparatus for making tobacco smoke filter |
| 05/02/1978 | US4086846 Apparatus and method to sense and adjust the relative position of hollow tubes within a continuous filter |
| 04/25/1978 | US4085760 Tobacco filter |
| 04/25/1978 | US4085663 Crimper assembly |
| 04/18/1978 | US4084596 Body of tobacco with a deposit of particles added thereto |
| 04/04/1978 | US4082098 Flavored cigarette |
| 03/28/1978 | US4081312 Paper tape splicer for cigarette makers |
| 02/28/1978 | US4076853 Flavoring with substituted norbornane derivatives |
| 02/28/1978 | US4076031 Filter and cigarette including a filter |
| 02/28/1978 | US4075936 Method and apparatus for making tobacco smoke filter |
| 02/21/1978 | US4074724 Tobacco smoke filter rods having fibers bonded with water and glycol bonding dispersions |
| 02/07/1978 | US4072789 Sheet material |
| 01/31/1978 | US4071037 Preparation and method of use of enzyme effective for conversion and detection of carbon monoxide |
| 12/27/1977 | US4064791 Method and apparatus for making tobacco smoke filter |
| 12/20/1977 | US4063633 Vacuum plug feed machine |
| 12/20/1977 | US4063494 Apparatus for making filter rods for cigarettes |
| 12/20/1977 | US4063480 Apparatus for severing rod-shaped smokers' products |
| 12/13/1977 | US4062368 Tobacco-smoke filters |
| 11/22/1977 | US4059121 Filter for tobacco smoke |
| 11/22/1977 | US4059119 Cigarette and filter |
| 11/22/1977 | US4059043 Method and apparatus for making tobacco smoke filters |
| 10/25/1977 | US4055108 Crimper assembly |
| 10/18/1977 | US4054550 Process for producing cigarette filters |
| 09/20/1977 | US4049673 Preparation of ferrous hemoglobin and enzymatic digestion products thereof active for absorption of carbon monoxide |
| 09/13/1977 | US4047862 Lightweight paper |
| 09/06/1977 | US4046064 Filter rod making machine |
| 09/06/1977 | US4046063 Method and apparatus for making tobacco smoke filter |
| 08/30/1977 | US4044659 Apparatus for making composite filter plugs |
| 08/09/1977 | US4040341 Apparatus for making composite filters |
| 08/02/1977 | US4038992 Granular composition for tobacco filter |
| 07/26/1977 | US4038264 Hema copolymers having high oxygen permeability |
| 07/26/1977 | US4037607 Cigarette and filter for tobacco smoke |
| 07/26/1977 | US4037524 Apparatus for combining a tube with a cigarette filter |
| 07/19/1977 | US4036119 Method and machine for the production of composite filter mouthpieces |
| 07/19/1977 | US4036118 Rod-like articles |
| 07/19/1977 | US4036114 Apparatus for cigarette filter manufacture |
| 07/12/1977 | US4035164 Methods for removing charged and non-charged particles from a fluid by employing a pyrollectric filter |
| 07/12/1977 | US4034768 Non fibrous cigarette filter |
| 07/12/1977 | US4034765 Tobacco smoke filter |
| 07/05/1977 | US4033362 Filter for tobacco smoke |
| 07/05/1977 | US4033361 Adsorbent amine-type anion-exchange resin |
| 05/31/1977 | US4026306 Tobacco smoke filter |
| 05/17/1977 | US4024012 Cigarettes |
| 05/17/1977 | US4024001 Smoke filter process and apparatus |
| 05/17/1977 | US4023576 Cigarette mouthpiece for controlling flow |
| 05/10/1977 | US4022740 Water and glycol bonding dispersions for synthetic fibers |
| 05/10/1977 | US4022223 Smoking article |
| 05/10/1977 | US4022222 Tobacco smoke filter |
| 05/10/1977 | US4022221 Tobacco smoke filter |
| 04/26/1977 | US4019942 Maintaining plasticizer temperature in tobacco filter rod formation, and apparatus therefor |
| 04/19/1977 | US4018678 Method of and apparatus for fluid filtration and the like with the aid of chitosan |
| 04/12/1977 | US4016887 Two-stage tobacco smoke filter |
| 04/12/1977 | US4016830 Apparatus for dispensing spaced deposits of particulate material |
| 04/05/1977 | US4015611 Of cellulose ethers |
| 04/05/1977 | US4015610 Cigarette filter tip |
| 04/05/1977 | US4015514 Apparatus for making cigarette filters |
| 03/08/1977 | US4010678 Method and apparatus for making composite filter plugs |
| 02/15/1977 | US4007746 Method for preparing cellulose acetate fiber rods |
| 02/15/1977 | US4007745 Filter |
| 02/15/1977 | US4007668 Crimper assembly |
| 02/01/1977 | US4005668 Material transfer method and apparatus |
| 01/18/1977 | US4003774 Dielectric |
| 01/18/1977 | US4003684 Apparatus for treating webs of filtering material for tobacco product filters, particularly cigarette filters |
| 01/11/1977 | US4002177 Filter for tobacco product |
| 12/28/1976 | US3999695 Filament breakage detection and correction |
| 12/21/1976 | US3998988 Conjugate fiber, fibrous material and fibrous article made therefrom and process for production thereof |
| 12/14/1976 | US3996890 Apparatus for forming and transferring thin liquid layers |
| 11/30/1976 | US3994306 Tobacco smoke filter |
| 11/16/1976 | US3991773 Optional dry or liquid filter |
| 11/02/1976 | US3989650 Process for the production of anion exchangers - amidoalkylation of crosslinked water insoluble aromatic-group containing polymers using esters of cyclic N-hydroxyalkylimides |
| 10/26/1976 | US3987802 Chitin as an extender and filter for tobacco |
| 10/12/1976 | US3985144 Apparatus for forming cigarette filters |
| 09/28/1976 | US3982897 Filter and detector and methods of using same in the removal and detection of carbon monoxide from, and in, a gas stream |
| 09/07/1976 | US3978869 Mouthpiece for cigarette |
| 08/31/1976 | US3977417 Smoking article and process for filtering tobacco smoke employing a cross-linked organic oil filter material |
| 08/17/1976 | US3974750 Method and apparatus for neutralizing electrostatic charges of filter material for smokers' products |
| 08/10/1976 | US3974007 Method and apparatus for the production of filter rod sections or the like |
| 08/03/1976 | US3972335 Mentholated cigarette filter |
| 07/27/1976 | US3971695 Method and apparatus for the production of filter plugs |
| 06/29/1976 | US3966912 Wool fibers |
| 06/22/1976 | US3964493 Cigarette filter |
| 06/15/1976 | USRE28858 Selective gas phase filter material |
| 06/08/1976 | US3961633 Method and machine for the production of composite filter mouthpieces |
| 06/01/1976 | US3960770 Process for preparing macroporous open-cell carbon foam from normally crystalline vinylidene chloride polymer |
| 06/01/1976 | US3960645 Method and apparatus for the opening of tow |
| 05/25/1976 | US3958579 Cigarette filter |
| 05/25/1976 | US3958498 Method and apparatus for forming cigarette filters |
| 05/18/1976 | US3957563 Method and apparatus for the manufacture of filter rods containing particulate material by a split rod technique |
| 05/18/1976 | US3957059 Smoking product and process |
| 05/04/1976 | US3954051 Apparatus for clipping wrapped rod-like fillers of fibrous material |
| 03/30/1976 | US3946748 Tobacco filter for smoking articles |
| 03/23/1976 | US3946101 Filtering material |
| 03/16/1976 | US3943940 Method of removing nicotine in smoking and a smoking filter to be used therefor |
| 03/16/1976 | US3943835 Production of tobacco smoke filter rod |