Claims
- 1. A cut filler composition comprising tobacco and at least one additive capable of acting as a catalyst for the reduction of at least one constituent from mainstream and/or sidestream tobacco smoke, the at least one constituent being selected from the group consisting of aldehyde, carbon monoxide, 1,3-butadiene, isoprene, acrolein, acrylonitrile, hydrogen cyanide, o-toluidine, 2-naphtylamine, nitrogen oxide, benzene, N-nitrosonornicotine, phenol, catechol, benz(a)anthracene, benzo(a)pyrene, and mixtures thereof, wherein the additive is in the form of nanoparticles.
- 2. The cut filler composition of claim 1, wherein the additive is capable of acting as a catalyst for the conversion of at least one aldehyde, hydrocarbon and/or phenolic compound to carbon dioxide and water vapor.
- 3. The cut filler composition of claim 1, wherein the additive is selected from the group consisting of Fe2O3, CuO, CeO2, Ce2O3, Y2O3 doped with zirconium, Mn2O3 doped with palladium, and mixtures thereof.
- 4. The cut filler composition of claim 3, wherein the additive comprises Fe2O3, Fe3O4, FeO and/or Fe.
- 5. The cut filler composition of claim 3, wherein the additive is capable of converting isoprene and/or catechol to carbon dioxide and water vapor.
- 6. The cut filler composition of claim 1, wherein the additive has an average particle size less than about 50 nm.
- 7. The cut filler composition of claim 6, wherein the additive has an average particle size less than about 5 nm.
- 8. A cigarette comprising a tobacco rod comprising a cut filler composition having tobacco and at least one additive capable of acting as a catalyst for the at least one constituent from mainstream and/or sidestream tobacco smoke, the at least one constituent being selected from the group consisting of aldehyde, carbon monoxide, 1,3-butadiene, isoprene, acrolein, acrylonitrile, hydrogen cyanide, o-toluidine, 2-naphtylamine, nitrogen oxide, benzene, N-nitrosonornicotine, phenol, catechol, benz(a)anthracene, benzo(a)pyrene, and mixtures thereof, wherein the additive is in the form of nanoparticles.
- 9. The cigarette of claim 8, wherein the additive is further capable of acting as a catalyst for the conversion of at least one aldehyde, hydrocarbon and/or phenolic compound to carbon dioxide and water vapor.
- 10. The cigarette of claim 8, wherein the additive is a compound selected from the group consisting of Fe2O3, CuO, CeO2, Ce2O3, Y2O3 doped with zirconium, Mn2O3 doped with palladium, and mixtures thereof.
- 11. The cigarette of claim 10, wherein the additive comprises Fe2O3 nanoparticles.
- 12. The cigarette of claim 9, wherein the additive is present in an amount effective to convert at least 50% of the carbon monoxide to carbon dioxide and/or at least 50% of the nitric oxide to nitrogen.
- 13. The cigarette of claim 8, wherein the additive has an average particle size less than about 50 nm.
- 14. The cigarette of claim 8, wherein the additive has an average particle size less than about 5 nm.
- 15. The cigarette of claim 8, wherein the cigarette preferably has about 5 mg additive per cigarette to about 100 mg additive per cigarette.
- 16. The cigarette of claim 8, wherein the additive is capable of converting isoprene and/or catechol to carbon dioxide and water vapor.
- 17. A method of smoking a cigarette comprising lighting the cigarette to form smoke and drawing the smoke through the cigarette, wherein the cigarette comprises a tobacco rod comprising a cut filler composition having tobacco and at least one additive capable of reducing at least one constituent from mainstream and/or sidestream tobacco smoke, the at least one constituent being selected from the group consisting of aldehyde, carbon monoxide, 1,3-butadiene, isoprene, acrolein, acrylonitrile, hydrogen cyanide, o-toluidine, 2-naphtylamine, nitrogen oxide, benzene, N-nitrosonornicotine, phenol, catechol, benz(a)anthracene, benzo(a)pyrene, and mixtures thereof, wherein the additive is in the form of nanoparticles.
- 18. The method of claim 17, wherein the additive is selected from the group consisting of metal oxides, doped metal oxides, and mixtures thereof.
- 19. The method of claim 17, wherein the additive is Fe2O3.
- 20. The method of claim 17, wherein the additive is capable of reducing at least one aldehyde, hydrocarbon and/or phenolic compound to carbon dioxide and water vapor.
- 21. The method of claim 17, wherein the additive is capable of reducing isoprene and/or catechol to carbon dioxide and water vapor.
- 22. The method of claim 17, wherein the additive is capable of reducing isoprene.
- 23. The method of claim 17, wherein the additive is capable of reducing hydrogen cyanide.
- 24. The method of claim 17, wherein the additive is capable of reducing catechol.
- 25. The method of claim 17, wherein the additive is capable of reducing benz(a)anthracene.
- 26. The method of claim 17, wherein the additive is capable of reducing benzo(a)pyrene.
Parent Case Info
[0001] This application is a continuation-in-part of application Ser. No. 10/286,968, filed Nov. 4, 2002 which is a continuation-in-part of application Ser. No. 09/942,881, filed Aug. 31, 2001.
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
10286968 |
Nov 2002 |
US |
Child |
10460302 |
Jun 2003 |
US |
Parent |
09942881 |
Aug 2001 |
US |
Child |
10286968 |
Nov 2002 |
US |