US4501904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyl substituted 2-(2,6-dimethyl-1,5-heptadienyl)-1,3-dithiolanes
Assignee: International Flavors and Fragrances Inc
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Filing: 1983-09-19
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Granted: 1985-02-26
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Expires: 2003-09-19
Abstract
Abstract Described are methyl substituted 2-(2,6-dimethyl-1,5-heptadienyl)-1,3-dithiolanes defined according to the structure: ##STR1## wherein R 1 and R 2 are the same or different and each represents methyl or hydrogen with the proviso that at least one of R 1 and R 2 is methyl and uses thereof in augmenting or enhancing the aroma or taste of foodstuffs.
Inventors
- 👤 Alan O. Pittet
- 👤 Thomas F. Courtney, Jr.
- 👤 Ranya Muralidhara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:45
CPC Classifications
C; C07; C07D; C07D339/00; C07D339/02; C07D339/06; A; A23; A23L; A23L27/00; A23L27/20; A23L27/205; A23L27/2052
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
40 words
A methyl substituted 2-(2,6-dimethyl-1,5-heptadienyl)-1,3-dithiolane having the structure: ##STR40## wherein R 1 and R 2 are the same or different and each represents methyl or hydrogen with the proviso that at least one of R 1 and R 2 is methyl.
Claim 2
Dependent Claim
40 words
A methyl substituted 2-(2,6-dimethyl-1,5-heptadienyl)-1,3-dithiolane having the structure: ##STR40## wherein R 1 and R 2 are the same or different and each represents methyl or hydrogen with the proviso that at least one of R 1 and R 2 is methyl.
Claim 3
Dependent Claim
11 words
The methyl substituted 2-(2,6-dimethyl-1,5-heptadienyl)-1,3-dithiolane of claim 1 having the structure: ##STR41##
Claim 4
Dependent Claim
11 words
The methyl substituted 2-(2,6-dimethyl-1,5-heptadienyl)-1,3-dithiolane of claim 1 having the structure: ##STR42##
References Cited (Backward Citations)
US4374998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-26 | 1988-08-27 | 1989-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-26 | 1992-08-27 | 1993-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-26 | 1996-08-27 | 1997-02-26 | $7700.00 | Window Closed / Lapsed |