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US3970701A
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Lower alkenals
Assignee: International Flavors and Fragrances Inc
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Filing: 1973-07-30
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Granted: 1976-07-20
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Expires: 1993-07-30
Abstract
Abstract Novel lower 2-alkylidene-2-alkenals having the formula:
Inventors
- 👤 Anne Sanderson
- 👤 William L. Schreiber
- 👤 Michel VAN Praac
- 👤 Alan O. Pittet
- 👤 William J. Evers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:08
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0007; C11B9/0015; A; A23; A23L; A23L27/00; A23L27/20; A23L27/202; A23L27/2024; C07; C07C; C07C45/00; C07C45/004; C07C45/51; C07C45/511; C07C45/515; C07C47/00; C07C47/20; C07C47/21; C07C47/222; C07C49/00; C07C49/20; C07C49/255; Y; Y10; Y10S; Y10S426/00; Y10S426/803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A composition of matter consisting essentially of trans-2-ethylidene-cis-3-hexenal having the formula: ##SPC17##
Claim 2
Dependent Claim
12 words
A composition of matter consisting essentially of trans-2-ethylidene-cis-3-hexenal having the formula: ##SPC17##
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-20 | 1980-01-19 | 1980-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-20 | 1984-01-19 | 1984-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-20 | 1988-01-19 | 1988-07-20 | $7700.00 | Window Closed / Lapsed |