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| Number | Title | Issue Date |
| 4088065 | Method and apparatus for making tobacco smoke filter This invention relates to a cigarette filter composed of two concentric cylindrical layers of fibrous filter materials, in which the inner cylindrical layer has a lower draw resistance than the outer cylindrical layer, and a method and apparatus for the m... | 05/09/1978 |
| 4055191 | Tobacco composition The amount of polycyclic aromatic hydrocarbons in tobacco smoke is reduced and a substantially diminished biological activity of the tobacco smoke condensate when evaluated on experimental animals following conventional protocol is achieved by adding to t... | 10/25/1977 |
| 4052993 | Cinnamic derivatives as tobacco additives Cinnamic derivatives, especially the methyl or ethyl ethers of cinnamyl alcohol, para-methoxycinnamyl alcohol, and para-ethoxycinnamyl alcohol, are added to tobacco to improve the flavor and aroma of the tobacco and tobacco smoke.... | 10/11/1977 |
| 4034765 | Tobacco smoke filter This invention relates to a cigarette filter composed of two concentric cylindrical layers of fibrous filter materials, in which the inner cylindrical layer has a lower draw resistance than the outer cylindrical layer.... | 07/12/1977 |
| 4024012 | Method and apparatus for making a hollow filter and a filter rod The apparatus is constructed to produce a hollow filter rod. The apparatus includes a mandrel through which a supplied length of tubing is passed, a nozzle surrounding the mandrel for shaping a stream of fibrous filter material about the mandrel and a for... | 05/17/1977 |
| 4023576 | Cigarette mouthpiece for controlling flow The cigarette mouthpiece is made of one-piece construction in which two semi-cylindrical shells are hinged together along one edge and are releaseably secured together at the free edges. The mouthpiece has an internal cylindrical smoke chamber which is se... | 05/17/1977 |
| 3949107 | Method of polishing floors A method of forming a bright-drying floor finish on a resilient flooring comprising applying a polish containing an aqueous dispersion of fine particles of a resin with a Tg of 30° to 80°C to a flooring, preferably a resilient flooring, with at least on... | 04/06/1976 |
| 3943943 | Cinnamic derivatives as tobacco additives Cinnamic derivatives, especially the methyl or ethyl ethers of cinnamyl alcohol, para-methoxycinnamyl alcohol, and para-ethoxycinnamyl alcohol, are added to tobacco to improve the flavor and aroma of the tobacco and tobacco smoke.... | 03/16/1976 |
