US3603319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flavor-releasing smoking article and method of making the same
Assignee: Philip Morris USA Inc
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Filing: 1968-12-13
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Granted: 1971-09-07
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Expires: 1988-12-13
Abstract
Abstract This disclosure relates to a flavor-releasing smoking article and to methods of making the same. More particularly, the disclosure relates to a smoking article embodying a filter for tobacco smoke, which filter contains, as an essential filtering element, a solid polymer having controlled pore size and containing therein a flavor for incorporation in tobacco smoke, said polymer being capable of removing undesirable elements from tobacco smoke while imparting desirable flavor thereto.
Inventors
- 👤 Charles E Badgett
- 👤 Jerome S Osmalov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:01
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/14
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
61 words
A smoking article comprising tobacco and a filter for tobacco smoke, said filter comprising a solid, finely divided, microporous organic polymer containing within the pores from about 10 to about 100 parts, by weight, of an adsorbed flavor for tobacco smoke, per 100 parts of polymer, upon contact with tobacco smoke, being capable of removing undesirable components from said tobacco smoke.
Claim 2
Dependent Claim
15 words
The filter of claim 1, wherein said polymer is a copolymer of ethylvinylbenzene and divinylbenzene.
Claim 3
Dependent Claim
10 words
The filter of claim 1 wherein said flavorant is anethole.
Claim 4
Dependent Claim
10 words
The filter of claim 1 wherein said flavorant is menthol.
Claim 5
Dependent Claim
20 words
The filter of claim 3, wherein said polymer is a copolymer of ethylvinylbenzene and divinylbenzene and said flavorant is anethole.
Claim 6
Dependent Claim
20 words
The filter of claim 3, wherein said polymer is a copolymer of ethylvinylbenzene and divinylbenzene and said flavorant is menthol.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-06 | 1975-03-08 | 1975-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-06 | 1979-03-08 | 1979-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-06 | 1983-03-08 | 1983-09-07 | $7700.00 | Window Closed / Lapsed |