US3769303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclic acetals of 2,4-hexadienal
Assignee: Givaudan Roure Corp
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Filing: 1971-07-07
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Granted: 1973-10-30
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Expires: 1991-07-07
Abstract
Abstract THERE ARE PROVIDED NOVEL ODORANT COMPOSITIONS DERIVED FROM THE CONDENSATION OF 2,4-HEXADIENAL WITH CERTAIN DIOLS. THESE NOVELS ACETALS HAVE A GENERALLY FRUITY CITRUS TYPE ODOR.
Inventors
- 👤 W Easter
- 👤 R Tavares
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:13
CPC Classifications
C; C07; C07D; C07D321/00; C07D321/02; C07D321/04; C07D321/06; C07D317/00; C07D317/08; C07D317/10; C07D317/12; C07D319/00; C07D319/04; C07D319/06
Claims Analysis
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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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |