US3863013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flavoring and aromatising with a five or six membered heterocyclic dithio compound
Assignee: International Flavors and Fragrances Inc
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Filing: 1972-07-17
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Granted: 1975-01-28
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Expires: 1992-07-17
Abstract
Abstract A five or six membered heterocyclic compound having two sulfur atoms, such as a dithiolane or a dithiane, is used to alter the flavor or aroma of a consumable material such as a foodstuff or perfume.
Inventors
- 👤 Richard A Wilson
- 👤 Cynthia Mussinan
- 👤 Ira Katz
- 👤 Christopher Giacino
- 👤 Anne Sanderson
- 👤 Edward J Shuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:24
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0069; C11B9/0073; A; A23; A23L; A23L27/00; A23L27/20; A23L27/205; A23L27/2052; A23L27/23; A23L27/235; C07; C07C; C07C321/00; C07D; C07D339/00; C07D339/02; C07D339/04; C07D339/06; C07D339/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
14 words
A process as defined in claim 1 wherein said heterocyclic compound is a dithiolane.
Claim 2
Dependent Claim
19 words
A process as defined in claim 2 wherein said dithiolane is 1, 3-dithiolane; 2-methyl-1,3-dithiolane; 3,5-dimethyl-1,2-dithiolane; 3-methyl-1,2-dithiolane; 2,4-dimethyl-1,3-dithiolane; or 4-methyl-1,3-dithiolane.
Claim 3
Dependent Claim
13 words
A process as defined in claim 2 wherein said dithiolane is 1, 3-dithiolane.
Claim 4
Dependent Claim
12 words
A process as defined in claim 2 wherein said dithiolane is 3-methyl-1,2-dithiolane.
Claim 5
Dependent Claim
12 words
A process as defined in claim 2 wherein said dithiolane is 2-methyl-1,3-dithiolane.
Claim 6
Dependent Claim
14 words
A process as defined in claim 1 wherein said heterocyclic compound is a dithiane.
Claim 7
Dependent Claim
19 words
A process as defined in claim 7 wherein said dithiane is 1,2-dithiane; 1,3-dithiane; 1,4-dithiane; 2-methyl-1,3-dithiane; 2,4-dimethyl-1,3-dithiane; 4-methyl-1,3-dithiane; or 2,4,6-trimethyl-1,3-dithiane.
References Cited (Backward Citations)
US3503758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-27 | 1978-07-29 | 1979-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-27 | 1982-07-29 | 1983-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-27 | 1986-07-29 | 1987-01-28 | $7700.00 | Window Closed / Lapsed |