Abstract: Stable cellulosic products containing releasable flavorant are described. These products are produced by impregnating a dry cellulosic substrate with an essentially anhydrous ammonia solution of a volatile flavorant and then subjecting the impregnated substrate to conditions of temperature and pressure sufficient to effect evaporation of essentially all of the impregnated solvent.

Abstract: A gas-permeable substrate, particularly adapted for the selective removal of aldehydes from gases, comprising a granular carrier containing concentrated hydrogen peroxide, water and a hydrophilic stabilizer for said hydrogen peroxide.

Abstract: An improved smoking material is provided by the treatment of a film-forming carbohydrate material with ozone such that the molecular weight of the film-forming carbohydrate material is reduced. In accordance with the present disclosure, a film-forming carbohydrate material, for example, polysaccharide is contacted, under controlled conditions, with gaseous ozone and is formed into a smoking product. During the ozone treatment, the carbohydrate material may be in particulate or other solid form or may be dissolved or dispersed in a suitable liquid medium, such as water. The ozone-treated film-forming carbohydrate material may be cast, by known methods, on a drying surface to form a solid film. The resulting film may then be cut or comminuted for use as a tobacco substitute or as a tobacco supplement in a smoking article. Such films may also be used as wrappers for smoking compositions.

Abstract: Stable cellulosic products containing releasable flavorant are described. These products are produced by impregnating a dry cellulosic substrate with an essentially anhydrous ammonia solution of a volatile flavorant and then subjecting the impregnated substrate to conditions of temperature and pressure sufficient to effect evaporation of essentially all of the impregnated solvent.

Abstract: An improved process is provided for the manufacture of synthetic smoking materials. The process comprises the steps of:(1) Pyrolyzing a cellulosic material at a temperature of from about 150.degree. C to about 400.degree. C, and preferably from about 175.degree. C to about 275.degree. C, under conditions such that from about 8 to about 40% and preferably from about 10 to 25% by weight of the cellulosic material is removed, and(2) Thereafter subjecting the resulting pyrolyzed cellulosic material to extraction with a basic liquid, for example, liquid ammonia, amine or aqueous bases, preferably under conditions to swell the material, whereby from about 15 to about 40%, and preferably from about 20 to about 30%, of the weight of the pyrolyzed product is removed during the extraction.

Abstract: An improved smoking material is provided by the treatment of a film-forming carbohydrate material with ozone. In accordance with the present disclosure, a film-forming carbohydrate material, for example, polysaccharide is contacted, under controlled conditions, with gaseous ozone and is formed into a smoking product. During the ozone treatment, the carbohydrate material may be in particulate or other solid form or may be dissolved or dispersed in a suitable liquid medium, such as water. The ozone-treated film-forming carbohydrate material may be cast, by known methods, on a drying surface to form a solid film. The resulting film may then be cut or comminuted for use as a tobacco substitute or as a tobacco supplement in a smoking article. Such films may also be used as wrappers for smoking compositions.

Abstract: Selected heavy metal compounds, particularly copper or nickel in the form of their salts, may be complexed with selected aliphatic or aromatic amines and deposited on a solid support or substrate to provide a material for the detection and/or removal of HCN from a mixture of gases; removal from tobacco smoke being particularly desirable. Certain novel compositions are also provided.

Abstract: Microporous styrene polymers are provided having randomly interconnected open network of irregularly shaped pores whose walls consist of cohered spherical particles of the polymer. These microporous styrene polymers are produced by mixing styrene polymer latex with a water-soluble ether, casting, molding, or impregnating the resulting mixture into a fibrous material, heating same to a temperature of from about 80.degree. C to about 120.degree. C and removing the ether.

Abstract: The invention relates to a smoking article and to a process of filtering tobacco smoke comprising passing tobacco smoke through a particulate, solidified cross-linked organic oil. An inorganic or organic powder may be used in conjunction with the particulate solidified oil in order to improve bulk handling characteristics and to improve the filtering qualities of the material.

Abstract: Novel compositions are prepared by impregnating activated alumina with sodium permanganate and a basic sodium compound. When used as a granular filter material in combination with a tobacco product as in a smoking article comprising a cigarette in combination with the filter materials, nitrogen oxides can be significantly reduced in the smoke obtained from the tobacco product after the filter material is stored for long periods of time in the presence of the volatile components of the tobacco product and/or moisture. Activated carbon may also be combined with the composition.