US3344796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flavored tobacco smoke filter containing higher fatty acid ester of sucrose
Assignee: DAI NIPPON SEITO KABUSHIKI KAI
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Filing: 1965-05-17
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Granted: 1967-10-03
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Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Yamaji Goro
- 👤 Ohtake Toshiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:35
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A TOBACCO SMOKE FILTER MADE UP OF A FILTER MATERIAL CARRYING A FLAVORING SOLUTION IN AN AMOUNT OF 1% TO 20% BY WEIGHT OF THE FILTER MATERIAL, WHICH FLAVORING SOLUTION CONTAINS A FLAVORANT AND AT LEAST ONE OF THE HIGHER FATTY ACID ESTERS OF SUCROSE, IN WHICH ONE TO THREE HYDROGENS OF THE EIGHT HYDROXYL GROUPS IN THE SUCROSE MOLECULE ARE SUBSTITUTED WITH AT LEAST ONE OF THE ACYL GROUPS HAVING TWELVE TO EIGHTEEN CARBON ATOMS, AND AT LEAST ONE OF THE REMAINING HYDROXYL HYDROGENS IS SUBSTITUTED WITH ACETYL GROUPS, IN AN AMOUNT OF 1% TO 20% BY WEIGHT OF THE FLAVORING SOLUTION.
Claim 2
Dependent Claim
103 words
A TOBACCO SMOKE FILTER MADE UP OF A FILTER MATERIAL CARRYING A FLAVORING SOLUTION IN AN AMOUNT OF 1% TO 20% BY WEIGHT OF THE FILTER MATERIAL, WHICH FLAVORING SOLUTION CONTAINS A FLAVORANT AND AT LEAST ONE OF THE HIGHER FATTY ACID ESTERS OF SUCROSE, IN WHICH ONE TO THREE HYDROGENS OF THE EIGHT HYDROXYL GROUPS IN THE SUCROSE MOLECULE ARE SUBSTITUTED WITH AT LEAST ONE OF THE ACYL GROUPS HAVING TWELVE TO EIGHTEEN CARBON ATOMS, AND AT LEAST ONE OF THE REMAINING HYDROXYL HYDROGENS IS SUBSTITUTED WITH ACETYL GROUPS, IN AN AMOUNT OF 1% TO 20% BY WEIGHT OF THE FLAVORING SOLUTION.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |