Patent US3144465A successfully refreshed from Google Patents.
US3144465A
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Internal ketals from dihydro-gammaionone, dihydro-gamma-irone and 5, 5, 9-trimethyl-2-methylene-1-(3'-oxobutyl-1')-decahydronaphthalene
Assignee: Firmenich SA
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Filing: 1961-07-24
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Granted: 1964-08-11
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Ruzicka Leopold
- 👤 Jeger Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:48
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0069; C11B9/0073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
THE POLYCYCLIC INTERNAL KETAL OF THE FORMULA
Claim 2
Dependent Claim
7 words
THE POLYCYCLIC INTERNAL KETAL OF THE FORMULA
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |