US3812154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dioxatricyclodecanes
Assignee: Kali Chemie AG
•
Filing: 1970-12-07
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Granted: 1974-05-21
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Expires: 1990-12-07
Abstract
Abstract A 2,9-DIOXATRICYCLO-(4,3,1,0,3,7)-DECANE OF THE FORMULEA IA AND IB 3-(R2-CH2-),4-(R3-O-),8-R1,10-(CH2=)-2,9-DIOXATRICYCLO- (4.3.1.0(3,7))DECANE AND 3-(R2-CH2-),8-R1,10-(CH2=)-2,9-DIOXATRICYCLO- (4.3.1.0(3,7))DECAN-4-ONE IN WHICH R1 IS ALKOXY OR ARALKOXY, R2 IS HYDROGEN, HALOGEN OR -SCN, R3 IS HYDROGEN OR ACYL, AND THE 10, 11DOUBLE BOND MAY ALSO BE HYDROGENATED. THE COMPOUNDS ARE HYPOTENSIVE AND CENTRALLY DEPRESSANT AND ANALGETIC AGENTS AND ARE USEFUL FOR TREATING ARTERIOSCLEROTIC DISEASES AND AS PSYCHOPHARMACEUTICALS.
Inventors
- 👤 P Thies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:35
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04
Claims Analysis
Total Claims: 0
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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) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |