Patent US3244751A successfully refreshed from Google Patents.
US3244751A
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Hydrindacene compounds
Assignee: International Flavors and Fragrances Inc
•
Filing: 1962-02-23
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Granted: 1966-04-05
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Ernst T Theimer
- 👤 Jack H Blumenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:09
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/29; C07C1/00; C07C1/32; C07C1/325; C07C1/326; C07C13/00; C07C13/28; C07C13/32; C07C13/54; C07C13/547; C07C13/553; C07C15/00; C07C15/40; C07C15/42; C07C15/44; C07C49/00; C07C49/76; C07C49/782; C07C49/792; C07C5/31; C11; C11B; C11B9/00; C11B9/0042; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
THE COMPOUND 4-ACETYL-1,1,6,6-TETRAMETHYL - AS - HYDRINDACENE HAVING THE FORMULA
Claim 2
Dependent Claim
10 words
THE COMPOUND 4-ACETYL-1,1,6,6-TETRAMETHYL - AS - HYDRINDACENE HAVING THE FORMULA
Claim 3
Dependent Claim
6 words
THE COMPOUND M-BIS-(3-METHYL-3-BUTENYL)-BENZENE HAVING THE FORMULA
Claim 4
Dependent Claim
6 words
THE COMPOUND M-BIS-(3-METHYL-3-BUTENYL)-BENZENE HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |