A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
A24D 1/02 (2006.01) A24B 15/28 (2006.01) A24D 3/16 (2006.01)
Patent
CA 2566932
A component of a cigarette comprises a silver-based catalyst for the conversion of carbon monoxide to carbon dioxide. The silver-based catalyst comprises particles (e.g., nanoscale or larger sized particles) of metallic silver and/or silver oxide supported in and/or on metal oxide support particles. The silver-based catalyst can be incorporated into a cigarette component such as tobacco cut filler, cigarette paper and cigarette filter material to reduce the concentration of carbon monoxide in the mainstream smoke of a cigarette during smoking. The catalyst can also be used in non~cigarette applications.
L'invention porte sur un composant de la cigarette qui comprend un catalyseur à base d'argent intervenant dans la conversion du monoxyde de carbone en dioxyde de carbone. Le catalyseur à base d'argent comprend des particules (telles que des particules à échelle nanométrique ou de plus grande taille) d'argent métallique et/ou d'oxyde d'argent supportées dans et/ou sur des particules de support d'oxyde métallique. Le catalyseur à base d'argent peut être incorporé dans un composant de la cigarette tel que le tabac haché, le papier de cigarette et le filtre de cigarette afin de réduire la concentration du monoxyde de carbone dans la fumée principale d'une cigarette. Le catalyseur peut également être utilisé dans des applications autres que la cigarette.
Deevi Sarojini
Sundar Rangaraj S.
Philip Morris Products S.a.
Ridout & Maybee Llp
LandOfFree
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