US4018233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped matters of tobaccos and process for producing the same
Assignee: Hayashibara Seibutsu Kagaku Kenkyujo KK
•
Filing: 1975-06-16
•
Granted: 1977-04-19
•
Expires: 1995-06-16
Abstract
Abstract A shaped matter of tobacco excellent in aroma and flavor is obtained by coating and binding starting tobacco materials with pullulan or a pullulan derivative.
Inventors
- 👤 Toshio Miyake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:08
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B15/14
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
43 words
A shaped solid smoking composition, the smoke produced by its combustion being pleasant in aroma and flavor, which composition comprises starting tobacco materials coated with and bound together with a material selected from the group consisting of pullulan, etherified pullulan, and esterified pullulan.
Claim 2
Dependent Claim
43 words
A shaped solid smoking composition, the smoke produced by its combustion being pleasant in aroma and flavor, which composition comprises starting tobacco materials coated with and bound together with a material selected from the group consisting of pullulan, etherified pullulan, and esterified pullulan.
Claim 3
Dependent Claim
20 words
A shaped solid smoking composition according to claim 1, wherein the molecular weight of the pullulan is 10,000 to 5,000,000.
Claim 4
Dependent Claim
22 words
A shaped solid smoking composition according to claim 1, wherein the coating and binding material pullulan is an etherified or esterified pullulan.
Claim 5
Dependent Claim
40 words
A shaped solid smoking composition according to claim 1, wherein the starting tobacco materials are leaf wastes, shred wastes, midribs, roots or stems of tobaccos, fragments or powders or leaf tobaccos or shredded tobaccos, or calluses or tissues of tobaccos.
Claim 6
Dependent Claim
32 words
A shaped solid smoking composition according to claim 1, wherein the ratio of starting tobacco materials to the coating and binding material is 100 : 0.1 to 100 : 500 by weight.
Claim 7
Dependent Claim
38 words
A shaped solid smoking composition according to claim 1, wherein the coating and binding material is used in combination with at least one member selected from the group consisting of other binders, moisture-controlling agents, reinforcing agents and flavors.
References Cited (Backward Citations)
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US2778753A
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US2769734A
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US3000383A
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US3297039A
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US3009835A
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US3098492A
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US3185161A
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US3628541A
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US3784390A
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US3870537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |