Claims
- 1. A cigarette comprising a smokable rod including smokable material contained in first and second circumscribing outer wrapping materials; the first wrapping material circumscribing the smokable filler material, and the second wrapping material circumscribing and overwrapping the first wrapping material; the first wrapping material including a salt additive and tobacco material; and the second wrapping material (i) including a cellulosic base web and inorganic filler material, (ii) exhibiting an inherent air permeability below about 15 CORESTA units, and (iii) exhibiting a net air permeability above about 40 CORESTA units.
- 2. The cigarette of claim 1 wherein the smokable material consists essentially of tobacco filler material.
- 3. The cigarette of claim 2 wherein the tobacco filler material includes casing and/or top dressing components.
- 4. The cigarette of claim 1 wherein the second wrapping material exhibits an inherent air permeability below about 5 CORESTA units.
- 5. The cigarette of claim 1 wherein the inorganic filler material of the second wrapping material includes magnesium hydroxide.
- 6. The cigarette of claim 1, 4 or 5 wherein the second wrapping material exhibits a net air permeability between about 50 and about 225 CORESTA units.
- 7. The cigarette of claim 1 wherein the salt additive of the first wrapping material includes calcium carbonate.
- 8. The cigarette of claim 1 or 7 wherein the salt additive of the first wrapping material includes a water soluble salt.
- 9. The cigarette of claim 1 wherein the first wrapping material exhibits an inherent air permeability above about 50 CORESTA units.
- 10. A cigarette comprising a smokable rod including smokable material contained in first and second circumscribing outer wrapping materials; the first wrapping material circumscribing the smokable filler material, and the second wrapping material circumscribing and overwrapping the first wrapping material; the first wrapping material (i) including tobacco material, and (ii) exhibiting an inherent air permeability above about 50 CORESTA units; and the second wrapping material (i) including cellulosic base web and inorganic filler material, (ii) exhibiting an inherent air permeability below about 15 CORESTA units, and (iii) exhibiting a net air permeability above about 40 CORESTA units.
- 11. The cigarette of claim 10 wherein the smokable material consists essentially of tobacco filler material.
- 12. The cigarette of claim 10 wherein the second wrapping material exhibits an inherent air permeability below about 5 CORESTA units.
- 13. A cigarette comprising a smokable rod including smokable material contained in first and second circumscribing outer wrapping materials; the first wrapping material circumscribing the smokable filler material, and the second wrapping material circumscribing and overwrapping the first wrapping material; the first wrapping material including salt additive and tobacco material; and the second wrapping material (i) having a cellulosic base web and inorganic filler material, and (ii) exhibiting an inherent air permeability below about 8 CORESTA units.
- 14. The cigarette of claim 13 wherein the smokable material consists essentially of tobacco filler material.
- 15. The cigarette of claim 13 wherein the second wrapping material exhibits an inherent air permeability below about 5 CORESTA units.
- 16. The cigarette of claim 13 wherein the first wrapping material includes an inorganic salt additive.
- 17. The cigarette of claim 13 wherein the first wrapping material includes a water soluble salt additive.
- 18. The cigarette of claim 1, 5, 10, 13 or 16 wherein the first wrapping material includes a carbonaceous material.
- 19. The cigarette of claim 1 or 2 wherein the smokable material includes a flavor modifying agent.
- 20. The cigarette of claim 1 wherein the cellulosic base web of the second wrapping material consists essentially of flax fibers and the inorganic filler material of the second wrapping material consists essentially of calcium carbonate particles.
- 21. The cigarette of claim 6 wherein the second wrapping material is electrostatically perforated.
- 22. The cigarette of claim 8 wherein the water soluble salt is potassium malate.
- 23. The cigarette of claim 10 or 11 wherein the smokable material includes a flavor modifying agent.
- 24. The cigarette of claim 10 wherein the cellulosic base web of the second wrapping material consists essentially of flax fibers and the inorganic filler material of the second wrapping material consists essentially of calcium carbonate particles.
- 25. The cigarette of claim 10 or 12 wherein the second wrapping material exhibits a net air permeability between about 50 and about 225 CORESTA units.
- 26. The cigarette of claim 25 wherein the second wrapping material is electrostatically perforated.
- 27. The cigarette of claim 10 wherein the salt additive of the first wrapping material includes a water soluble salt.
- 28. The cigarette of claim 27 wherein the water soluble salt is potassium malate.
- 29. The cigarette of claim 13 or 14 wherein the smokable material includes a flavor modifying agent.
- 30. The cigarette of claim 13 wherein the cellulosic base web of the second wrapping material consists essentially of flax fibers and the inorganic filler material of the second wrapping material consists essentially of calcium carbonate particles.
- 31. The cigarette of claim 13 wherein the second wrapping material exhibits a net air permeability between about 50 and about 225 CORESTA units.
- 32. The cigarette of claim 31 wherein the second wrapping material is electrostatically perforated.
- 33. The cigarette of claim 17 wherein the water soluble salt is potassium malate.
CROSS REFERENCE TO RELATED APPLICATIONS
This is a continuation-in-part of U.S. patent application Ser. No. 528,302, filed May 24, 1990, now U.S. Pat. No. 5,159,994 U.S. patent application Ser. No. 551,975, filed Jul. 12, 1990; now U.S. Pat. No. 5,085,232 U.S. patent application Ser. No. 570,770, filed Aug. 22, 1990; now U.S. Pat. No. 5,050,622 U.S. patent application Ser. No. 610,618, filed Nov. 8, 1990, now U.S. Pat. No. 5,141,007 and U.S. patent application Ser. No. 628,545, filed Dec. 17, 1990; now U.S. Pat. No. 5,131,416 the disclosures of which are incorporated herein by reference.
US Referenced Citations (34)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0262550 |
Sep 1987 |
EPX |
0342538 |
May 1989 |
EPX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
528302 |
May 1990 |
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