US4714082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoking article
Assignee: RJ Reynolds Tobacco Co
•
Filing: 1985-10-23
•
Granted: 1987-12-22
•
Expires: 2005-10-23
Abstract
Abstract The present invention relates to a smoking article, preferably in cigarette form, which produces an aerosol that resembles tobacco smoke. The article preferably comprises a short combustible fuel element having a density greater than 0.5 g/cc, a separate substrate bearing an aerosol forming material, a heat conducting member recessed from the lighting end of the fuel element, which preferably encloses the substrate, a resilient insulating jacket encircling at least a portion of the fuel element, and an optional tobacco jacket encircling at least a portion of the aerosol forming material.
Inventors
- 👤 Chandra K. Banerjee
- 👤 Ernest G. Farrier
- 👤 John H. Reynolds, IV
- 👤 Henry T. Ridings
- 👤 Andrew J. Sensabaugh, Jr.
- 👤 Michael D. Shannon
- 👤 Gary R. Shelar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:39
CPC Classifications
A; A24; A24D; A24D1/00; A24D1/18; A24B; A24B15/00; A24B15/10; A24B15/16; A24B15/165; A24D1/22
Claims Analysis
Total Claims: 110
Claim 1
Independent Claim
66 words
A cigarette-type smoking article comprising: (a) a combustible fuel element less than about 30 mm in length prior to smoking, having a density of at least about 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material in conductive heat exchange relationship with the fuel element; and (c) means for delivering the aerosol produced by the aerosol generating means to the user.
Claim 2
Dependent Claim
66 words
A cigarette-type smoking article comprising: (a) a combustible fuel element less than about 30 mm in length prior to smoking, having a density of at least about 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material in conductive heat exchange relationship with the fuel element; and (c) means for delivering the aerosol produced by the aerosol generating means to the user.
Claim 3
Dependent Claim
22 words
The article of claim 1, further comprising a heat conducting member which contacts both the fuel element and the aerosol generating means.
Claim 4
Dependent Claim
19 words
The article of claim 2, wherein the heat conducting member encompasses at least a portion of the fuel element.
Claim 5
Dependent Claim
20 words
The article of claim 2, wherein the heat conducting member encloses at least a portion of the aerosol forming material.
Claim 6
Dependent Claim
29 words
The article of claim 2, wherein the heat conducting member is a rod embedded within at least a portion of both the fuel element and the aerosol generating means.
Claim 7
Dependent Claim
23 words
The article of claim 1, 2, 3, 4, or 5, wherein the density of the fuel element is greater than about 0.7 g/cc.
Claim 8
Dependent Claim
11 words
The article of claim 6, wherein the fuel element comprises carbon.
Claim 9
Dependent Claim
22 words
The article of claim 1, 2, 3, 4, or 5, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 10
Dependent Claim
21 words
The article of claim 1, 2, 3, 4, or 5, wherein the fuel element is less than 20 mm in length.
Claim 11
Dependent Claim
18 words
The article of claim 9, wherein the density of the fuel element is at least about 0.7 g/cc.
Claim 12
Dependent Claim
17 words
The article of claim 10, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 13
Dependent Claim
11 words
The article of claim 10, wherein the fuel element comprises carbon.
Claim 14
Dependent Claim
25 words
The article of claim 1, 2, 3, 4, or 5, further comprising an insulating member which encircles at least a portion of the fuel element.
Claim 15
Dependent Claim
19 words
The article of claim 13, wherein the insulating member is a resilient, nonburning member at least 0.5 mm thick.
Claim 16
Dependent Claim
21 words
The article of claim 13, further comprising a resilient insulating member encircling at least a portion of the aerosol generating means.
Claim 17
Dependent Claim
22 words
The article of claim 15, wherein at least a part of the aerosol generating means is encircled by a tobacco containing material.
Claim 18
Dependent Claim
27 words
The article of claim 15, wherein the means for delivering the aerosol comprises a mouthend piece having an aerosol delivery passage circumscribed by a resilient outer member.
Claim 19
Dependent Claim
32 words
The article of claim 1, 2, 3, 4, or 5, further comprising a charge of tobacco located between the mouth end of the fuel element and the mouth end of the article.
Claim 20
Dependent Claim
51 words
A smoking article comprising: (a) a combustible fuel element; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) a heat conducting member which contacts both the fuel element and the aerosol generating means, the conducting member being spaced from the lighting end of the fuel element.
Claim 21
Dependent Claim
51 words
A smoking article comprising: (a) a combustible fuel element; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) a heat conducting member which contacts both the fuel element and the aerosol generating means, the conducting member being spaced from the lighting end of the fuel element.
Claim 22
Dependent Claim
24 words
The article of claim 19, wherein the conducting member is spaced at least about 5 mm from the lighting end of the fuel element.
Claim 23
Dependent Claim
26 words
The article of claim 20, wherein the conducting member circumscribes a portion of the fuel element and at least a portion of the aerosol generating means.
Claim 24
Dependent Claim
21 words
The article of claim 21, wherein the conducting member contacts the fuel element along less than about one-half of its length.
Claim 25
Dependent Claim
23 words
The article of claim 21, wherein the conducting member contacts the fuel element along no more than about 5 mm of its length.
Claim 26
Dependent Claim
23 words
A cigarette-type smoking article of claim 19, 20, 21, 22, or 23, wherein the fuel element is less than 30 mm in length.
Claim 27
Dependent Claim
18 words
The article of claim 24, wherein the fuel element has a density of at least about 0.5 g/cc.
Claim 28
Dependent Claim
11 words
The article of claim 25, wherein the fuel element comprises carbon.
Claim 29
Dependent Claim
17 words
The article of claim 24, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 30
Dependent Claim
24 words
A cigarette-type smoking article of claim 19, 20, 21, 22, or 23, wherein the fuel element is less than about 20 mm in length.
Claim 31
Dependent Claim
18 words
The article of claim 28, wherein the fuel element has a density of at least about 0.7 g/cc.
Claim 32
Dependent Claim
11 words
The article of claim 29, wherein the fuel element comprises carbon.
Claim 33
Dependent Claim
17 words
The article of claim 28, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 34
Dependent Claim
25 words
The article of claim 19, 20, 21, 22, or 23, further comprising an insulating member which circumscribes at least a portion of the fuel element.
Claim 35
Dependent Claim
19 words
The article of claim 32, wherein the insulating member is a resilient, nonburning member at least 0.5 mm thick.
Claim 36
Dependent Claim
22 words
The article of claim 32, further comprising a resilient insulating member which encircles at least a portion of the aerosol generating means.
Claim 37
Dependent Claim
21 words
The article of claim 34, further comprising a mouthend piece having an aerosol delivery passage circumscribed by a resilient outer member.
Claim 38
Dependent Claim
19 words
The article of claim 19, 20, 21, 22, or 23, wherein the conducting member encloses the aerosol forming material.
Claim 39
Dependent Claim
27 words
The article of claim 36, further comprising a charge of tobacco located between the mouth end of the fuel element and the mouth end of the article.
Claim 40
Dependent Claim
29 words
The article of claim 36, further comprising a resilient, nonburning insulating member at least 0.5 mm thick surrounding at least a portion of the periphery of the fuel element.
Claim 41
Dependent Claim
22 words
The article of claim 38, further comprising a resilient insulating member which encircles at least a portion of the aerosol generating means.
Claim 42
Dependent Claim
22 words
The article of claim 39, wherein at least a part of the aerosol generating means is encircled by a tobacco containing material.
Claim 43
Dependent Claim
21 words
The article of claim 39, further comprising a mouthend piece having an aerosol delivery passage circumscribed by a resilient outer member.
Claim 44
Dependent Claim
54 words
A cigarette-type smoking article comprising: (a) a combustible fuel element having a density of at least 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) an insulating member circumscribing at least a portion of the fuel element, the insulating member being at least about 0.5 mm thick.
Claim 45
Dependent Claim
54 words
A cigarette-type smoking article comprising: (a) a combustible fuel element having a density of at least 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) an insulating member circumscribing at least a portion of the fuel element, the insulating member being at least about 0.5 mm thick.
Claim 46
Dependent Claim
11 words
The article of claim 42, wherein the insulating member is resilient.
Claim 47
Dependent Claim
12 words
The article of claim 43, wherein the insulating member fuses during use.
Claim 48
Dependent Claim
14 words
The article of claim 42, wherein the insulating member does not burn during use.
Claim 49
Dependent Claim
20 words
The article of claim 42, wherein the insulating member is a resilient nonburning material at least about 1 mm thick.
Claim 50
Dependent Claim
19 words
The article of claim 42, 43, 44, 45, or 46, wherein the insulating member comprises ceramic or glass fibers.
Claim 51
Dependent Claim
18 words
The article of claim 47, wherein the fibers have a softening temperature of about 650° C. or less.
Claim 52
Dependent Claim
26 words
The article of claim 42, 43, 44, 45, or 46, further comprising a resilient insulating member circumscribing at least a portion of the aerosol generating means.
Claim 53
Dependent Claim
15 words
The article of claim 49, wherein the insulating member comprises a ceramic or glass fibers.
Claim 54
Dependent Claim
37 words
The article of claim 49, wherein the insulating member circumscribing the fuel element comprises ceramic or glass fibers and the insulating material circumscribing at least a portion of the aerosol generating means is a tobacco containing material.
Claim 55
Dependent Claim
21 words
The article of claim 51, wherein the ceramic or glass fibers have a softening temperature of about 650° C. or less.
Claim 56
Dependent Claim
17 words
The article of claim 49, wherein the aerosol forming material is enclosed within a heat conductive container.
Claim 57
Dependent Claim
21 words
The article of claim 49, further comprising a mouthend piece having an aerosol delivery passage circumscribed by a resilient outer member.
Claim 58
Dependent Claim
21 words
The article of claim 42, 43, 44, 45, or 46, wherein the fuel element is less than 30 mm in length.
Claim 59
Dependent Claim
17 words
The article of claim 55, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 60
Dependent Claim
11 words
The article of claim 55, wherein the fuel element comprises carbon.
Claim 61
Dependent Claim
32 words
The article of claim 42, 43, 44, 45, or 46, further comprising a charge of tobacco located between the mouth end of the fuel element and the mouth end of the article.
Claim 62
Dependent Claim
51 words
A smoking article comprising: (a) a combustible fuel element having a density of at least 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) a resilient insulating member at least about 0.5 mm thick which circumscribes at least a portion of the fuel element.
Claim 63
Dependent Claim
51 words
A smoking article comprising: (a) a combustible fuel element having a density of at least 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) a resilient insulating member at least about 0.5 mm thick which circumscribes at least a portion of the fuel element.
Claim 64
Dependent Claim
16 words
The article of claim 59, wherein the insulating member is at least about 1 mm thick.
Claim 65
Dependent Claim
14 words
The article of claim 59, wherein the insulating member comprises ceramic or glass fibers.
Claim 66
Dependent Claim
15 words
The article of claim 59, 60, or 61, wherein the insulating member fuses during use.
Claim 67
Dependent Claim
22 words
The article of claim 59, 60, or 61, wherein the insulating member has a softening temperature of about 650° C. or less.
Claim 68
Dependent Claim
24 words
The article of claim 59, 60, or 61, further comprising a resilient insulating member circumscribing at least a portion of the aerosol generating means.
Claim 69
Dependent Claim
17 words
The article of claim 64, wherein the aerosol forming material is enclosed within a heat conductive container.
Claim 70
Dependent Claim
20 words
The article of claim 65, wherein a tobacco containing mass circumscribes at least a portion of the aerosol generating means.
Claim 71
Dependent Claim
21 words
The article of claim 64, further comprising a mouthend piece having an aerosol delivery passage circumscribed by a resilient outer member.
Claim 72
Dependent Claim
30 words
The article of claim 59, 60, or 61, further comprising a charge of tobacco located between the mouth end of the fuel element and the mouth end of the article.
Claim 73
Dependent Claim
82 words
A cigarette-type smoking article comprising: (a) a combustible fuel element less than about 30 mm in length having a density of at least about 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; (c) a heat conducting member which contacts both the fuel element and the aerosol generating means, the conducting member being spaced from the lighting end of the fuel element; and (d) an insulating member which circumscribes at least a portion of the fuel element.
Claim 74
Dependent Claim
82 words
A cigarette-type smoking article comprising: (a) a combustible fuel element less than about 30 mm in length having a density of at least about 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; (c) a heat conducting member which contacts both the fuel element and the aerosol generating means, the conducting member being spaced from the lighting end of the fuel element; and (d) an insulating member which circumscribes at least a portion of the fuel element.
Claim 75
Dependent Claim
19 words
The article of claim 69, wherein the insulating member is a resilient material at least about 0.5 mm thick.
Claim 76
Dependent Claim
19 words
The article of claim 70, wherein the insulating material has a softening temperature of about 650° C. or less.
Claim 77
Dependent Claim
20 words
The article of claim 69, wherein the resilient material fuses during use and is at least about 1 mm thick.
Claim 78
Dependent Claim
22 words
The article of claim 69, further comprising a resilient insulating member which circumscribes at least a portion of the aerosol generating means.
Claim 79
Dependent Claim
30 words
The article of claim 69, wherein the aerosol forming material is located within a heat conductive container and a resilient insulating member circumscribes at least a portion of the container.
Claim 80
Dependent Claim
20 words
The article of claim 74, wherein at least a portion of the container is circumscribed by a tobacco containing mass.
Claim 81
Dependent Claim
28 words
The article of claim 69, 70, 71, 72, 73, or 74, wherein the heat conducting member contacts the fuel element along less than about one-half of its length.
Claim 82
Dependent Claim
26 words
The article of claim 69, 70, 71, 72, 73, or 74, wherein the fuel element comprises carbon and has a density greater than about 0.7 g/cc.
Claim 83
Dependent Claim
17 words
The article of claim 77, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 84
Dependent Claim
32 words
The article of claim 69, 70, 71, 72, 73, or 74, wherein the fuel element is less than about 20 mm in length and is provided with a plurality of longitudinal passageways.
Claim 85
Dependent Claim
22 words
The article of claim 79, wherein the heat conducting member contacts the fuel element along less than about one-half of its length.
Claim 86
Dependent Claim
11 words
The article of claim 79, wherein the fuel element comprises carbon.
Claim 87
Dependent Claim
33 words
The article of claim 69, 70, 71, 72, 73, or 74, further comprising a charge of tobacco located between the mouth end of the fuel element and the mouth end of the article.
Claim 88
Dependent Claim
21 words
The article of claim 82, further comprising a mouthend piece having an aerosol delivery passage circumscribed by a resilient outer member.
Claim 89
Dependent Claim
73 words
A cigarette-type smoking article comprising: (a) a combustible fuel element less than about 30 mm in length having a density of about 0.5 g/cc; (b) a heat conductive container containing an aerosol forming material; (c) a resilient, nonburning insulating member at least about 0.5 mm thick which circumscribes at least a portion of the fuel element; and (d) a resilient insulating member which circumscribes at least a portion of the heat conductive container.
Claim 90
Dependent Claim
73 words
A cigarette-type smoking article comprising: (a) a combustible fuel element less than about 30 mm in length having a density of about 0.5 g/cc; (b) a heat conductive container containing an aerosol forming material; (c) a resilient, nonburning insulating member at least about 0.5 mm thick which circumscribes at least a portion of the fuel element; and (d) a resilient insulating member which circumscribes at least a portion of the heat conductive container.
Claim 91
Dependent Claim
17 words
The article of claim 84, wherein the insulating member which circumscribes the fuel element fuses during use.
Claim 92
Dependent Claim
20 words
The article of claim 84, wherein a tobacco containing mass circumscribes at least a portion of the heat conductive container.
Claim 93
Dependent Claim
21 words
The article of claim 84, further comprising a mouthend piece including an aerosol delivery passage circumscribed by a resilient outer member.
Claim 94
Dependent Claim
12 words
The article of claim 84, wherein the container contacts the fuel element.
Claim 95
Dependent Claim
25 words
The article of claim 84, 85, 86, 87, or 88, wherein the fuel element comprises carbon and has a density greater than about 0.7 g/cc.
Claim 96
Dependent Claim
17 words
The article of claim 89, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 97
Dependent Claim
116 words
A cigarette-type smoking article comprising: (a) a combustible fuel element less than about 30 mm in length having a density of at least about 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; (c) a heat conducting member spaced at least 5 mm from the lighting end of the fuel element which circumscribes and contacts a portion of the fuel element and encloses the aerosol forming material; (d) a resilient, nonburning insulating member at least 0.5 mm thick which circumscribes at least a portion of the fuel element; and (e) a resilient insulating member which circumscribes at least a portion of the heat conducting member which encloses the aerosol forming material.
Claim 98
Dependent Claim
116 words
A cigarette-type smoking article comprising: (a) a combustible fuel element less than about 30 mm in length having a density of at least about 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; (c) a heat conducting member spaced at least 5 mm from the lighting end of the fuel element which circumscribes and contacts a portion of the fuel element and encloses the aerosol forming material; (d) a resilient, nonburning insulating member at least 0.5 mm thick which circumscribes at least a portion of the fuel element; and (e) a resilient insulating member which circumscribes at least a portion of the heat conducting member which encloses the aerosol forming material.
Claim 99
Dependent Claim
22 words
The article of claim 91, wherein the heat conducting member contacts the fuel element along less than about one-half of its length.
Claim 100
Dependent Claim
24 words
The article of claim 91, wherein the insulating member which circumscribes the fuel element is at least 1 mm thick and fuses during use.
Claim 101
Dependent Claim
28 words
The article of claim 93, wherein at least a portion of the heat conducting member which encloses the aerosol forming material is circumscribed by a tobacco containing mass.
Claim 102
Dependent Claim
31 words
The article of claim 91, 93, or 94, wherein the insulating member which circumscribes the fuel element is a fibrous material having a softening temperature of about 650° C. or less.
Claim 103
Dependent Claim
23 words
The article of claim 91, 92, 93, or 94, wherein the fuel element comprises carbon and has a density greater than 0.7 g/cc.
Claim 104
Dependent Claim
21 words
The article of claim 91, 92, 93, or 94, wherein the fuel element is less than about 20 mm in length.
Claim 105
Dependent Claim
21 words
The article of claim 91, 92, 93, or 94, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 106
Dependent Claim
25 words
The article of claim 91, 92, 93, or 94, further comprising a mouthend piece having an aerosol delivery passage circumscribed by a resilient outer member.
Claim 107
Dependent Claim
30 words
The article of claim 91, 92, or 93, further comprising a charge of tobacco located between the mouth end of the fuel element and the mouth end of the article.
Claim 108
Dependent Claim
21 words
The article of claim 94, further comprising a mouthend piece having an aerosol delivery passage circumscribed by a resilient outer member.
Claim 109
Dependent Claim
35 words
The article of claim 1, 19, 42, 59, 69, 84, or 91, wherein the article delivers at least about 0.6 mg of wet total particulate matter in the first three puffs under FTC smoking conditions.
Claim 110
Dependent Claim
40 words
The article of claim 1, 19, 42, 59, 69, 84, or 91, wherein the article delivers an average of at least about 0.8 mg per puff of wet total particulate matter under FTC smoking conditions, for at least 6 puffs.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-21 | 1991-06-22 | 1991-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-21 | 1995-06-22 | 1995-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-21 | 1999-06-22 | 1999-12-22 | $7700.00 | Window Closed / Lapsed |