Cigarette wrapper with printed catalyst

Details Cigarette wrapper with printed catalyst Cigarette wrapper with printed catalyst

D - Textiles, Paper

21

H

D21H 21/14 (2006.01) A24D 1/02 (2006.01) D21H 19/12 (2006.01) D21H 19/14 (2006.01)

Patent

CA 2527359

A wrapper for a smoking article includes a web; and a patterned deposit on at least a portion of one surface of the wrapper, wherein the patterned deposit comprises catalyst particles. The patterned deposit can include a nanoparticle catalyst that is capable of catalyzing the conversion of a constituent gas component in the mainstream and/or sidestream smoke of the smoking article. The constituent gas component can be carbon monoxide and/or nitric oxide and the catalyst particles can be iron oxide. Also provided is a smoking article comprising a tobacco rod having a wrapper formed around the tobacco rod, the wrapper including a patterned deposit on at least a portion of one surface of the wrapper. A method of making the wrapper and a method of making a smoking article utilizing the wrapper are also provided.

L'invention concerne un film d'enveloppement pour article à fumer. Ledit film comprend une bande, et un dépôt de motifs sur au moins une partie d'une surface dudit film, ledit dépôt contenant des particules de catalyse. Ce dépôt de motifs peut renfermer un catalyseur nanoparticulaire pouvant catalyser la conversion d'un composé gazeux constituant dans la fumée de courant principal et/ou de courant secondaire de l'article à fumer. Ledit composé gazeux constituant peut être du monoxyde de carbone et/ou de l'oxyde nitrique et les particules de catalyse peuvent être de l'oxyde de fer. Cette invention a également trait à un article à fumer qui comprend une barre de tabac enveloppée par un film d'enveloppement comportant un dépôt de motifs sur au moins une partie d'une surface dudit film. Ladite invention a également pour objet le film d'enveloppement et un procédé de fabrication d'un article à fumer utilisant ledit film.

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