Abstract: The invention relates to an additive releasing material comprising a carrier material having on its surface one or more additives, the additive releasing material having a desorption temperature selected to allow controlled temperature-dependent release of the additive(s). The invention further relates to filters and smoking articles including such additive releasing materials, and to methods for preparing the additive releasing materials.

Abstract: A gel composition and tobacco industry products including the same The present invention relates to a gel composition comprising a gel formed from a liquid gel precursor and a gas. The present invention also relates to tobacco industry products comprising a gel composition, a method of preparing a gel composition comprising a gas, use of a gel composition comprising trapped gas, and a kit for assembling a tobacco industry product comprising a gel composition.

Abstract: The present invention relates to a laminate (10) comprising a layer of tobacco material (14) and a support sheet (12), wherein the layer of tobacco material (14) has a rough surface so as to provide a permeable structure through which air may be drawn when the laminate (10) is rolled or folded. The present invention also relates to a method of manufacturing a laminate (10), a package comprising a laminate (10), use of a laminate (10) to prepare a smoking article (20), and a smokeable product comprising a laminate (10).

Abstract: There is provided a composition for inclusion in a smoking article comprising an ion exchange resin and additive particles comprising an additive on the surface of the ion exchange resin. There is also provided a smoking article filter element comprising this composition, a smoking article comprising this smoking article filter element or this composition. A method of preparing a composition comprising an ion exchange resin and additive particles comprising an additive is also provided, the method comprising the deposition of additive particles onto the ion exchange resin from the solid and/or liquid phase of an aerosol.

Abstract: There is provided an adsorbent material comprising a porous carrier material having pores with a diameter greater than 20 nm and carrying additive particles on its external surface, wherein the additive particles comprise an additive and have a diameter of greater than 20 nm. There is also provided a smoking article filter element comprising such an adsorbent material, a smoking article comprising such an adsorbent material, and a method of preparing such an adsorbent material.

Abstract: The invention relates to a smoking article comprising a carbonaceous dried gel (3), (such as a xerogel, aerogel or cryogel), a filter (2) for a smoking article comprising a carbonaceous dried gel and the use of a carbonaceous dried gel for the filtration of smoke.

Abstract: The present invention relates to filter material for inclusion in a smoking article, wherein the filter material is in the form of a fibrous tow or a non-woven sheet comprising fine cellulose acetate fibres having a mean diameter of from about 1 ?m to about 15 um. The invention also relates to processes for preparing filter material for inclusion in a smoking article, the filter material comprising fine cellulose acetate fibres having a mean diameter of from about 1 ?m to about 15 ?m. The invention further relates to filters or filter elements comprising the filter material, smoking articles comprising the same, and use of the filter material in smoke filtration.

Abstract: There is provided a composition for inclusion in a smoking article comprising an ion exchange resin and additive particles comprising an additive on the surface of the ion exchange resin. There is also provided a smoking article filter element comprising this composition, a smoking article comprising this smoking article filter element or this composition. A method of preparing a composition comprising an ion exchange resin and additive particles comprising an additive is also provided, the method comprising the deposition of additive particles onto the ion exchange resin from the solid and/or liquid phase of an aerosol.

Abstract: Embodiments of the invention relate to porous carbon and methods of preparing porous carbon. In some embodiments, the prepared porous carbon exhibits enhanced selectivity for hydrogen cyanide (HCN), In one embodiment, the method comprises impregnating activated carbon with a metal oxide, such as zinc oxide. The carbon is suitable for use in smoke filtration.

Abstract: There is provided an adsorbent material comprising a porous carrier material having pores with a diameter greater than 20 nm and carrying additive particles on its external surface, wherein the additive particles comprise an additive and have a diameter of greater than 20 nm. There is also provided a smoking article filter element comprising such an adsorbent material, a smoking article comprising such an adsorbent material, and a method of preparing such an adsorbent material.

Abstract: The invention relates to an additive releasing material comprising a carrier material having on its surface one or more additives, the additive releasing material having a desorption temperature selected to allow controlled temperature-dependent release of the additive(s). The invention further relates to filters and smoking articles including such additive releasing materials, and to methods for preparing the additive releasing materials.

Abstract: A filter for a smoking article comprises a monolith. The monolith is produced forming particles of a partially cured resin into a dough, shaping the dough to produce a monolith, sintering the particles, carbonizing and activating the sintered monolith, and incorporating the monolith into a smoking article filter.

Abstract: Embodiments of the invention relate to porous carbon and methods of preparing porous carbon. In some embodiments, the prepared porous carbon exhibits eithanced selectivity for hydrogen cyanide (HCN), In one embodiment, the method comprises impregnating activated carbon with a metal oxide, such as zinc oxide. The carbon is suitable for use in smoke filtration.

Abstract: A filter for a smoking article comprises a monolith. The monolith is produced forming particles of a partially cured resin into a dough, shaping the dough to produce a monolith, sintering the particles, carbonizing and activating the sintered monolith, and incorporating the monolith into a smoking article filter.

Abstract: The invention relates to composite materials comprising particles of at least two different additive materials and a polymer binding said additive particles together the composite material. The invention also relates to incorporating at least two different additive materials into a filter material, using the composite material.

Abstract: The invention relates to a smoking article comprising a carbonaceous dried gel (3), (such as a xerogel, aerogel or cryogel), a filter (2) for a smoking article comprising a carbonaceous dried gel and the use of a carbonaceous dried gel for the filtration of smoke.

Abstract: The present invention provides a method for incorporating mesopores into microporous carbon, the method comprising treating granular microporous carbon with an alkaline earth metal salt such as calcium nitrate or an alkali metal salt. The present invention also provides mesoporous carbon produced using said method and smoking articles and smoke filters comprising said mesoporous carbon.

Abstract: A smoking article such as a cigarette, or a smoke filter (3) or other component thereof, comprises a catalyst (3b) for the oxidation of carbon monoxide to carbon dioxide. The catalyst (3b) comprises gold, and an oxide of zinc or titanium. Titania and mixed oxides of zinc and copper or aluminium are preferred (TiO2, ZnO, ZnAlOx or CuZnOx). The gold preferably comprises species in the metallic state (Au0), together with species in an oxiddise state (Au?+).

Abstract: The invention describes a filter (1) with a first filter portion (6) comprising an adsorbent, for example carbon, and/or a catalyst, capable of reducing various vapour phase constituents of cigarette smoke. The adsorbent/catalyst is separated from a second filter portion by means of a barrier (2) having pores therein of pore size less than 0.1 ?m. The invention also describes a smoking article in which a rod of smoking material, with or without encapsulated flavour, is attached to the above described filter.