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: 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: 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.