US3679716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New 3, 16{60 , 17{60 -trihydroxy-{66 {11 {11 {11 {11 {11 {11 {11 {11 {11 -oestratriene
Assignee: Novartis Corp
•
Filing: 1970-02-11
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Granted: 1972-07-25
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Expires: 1990-02-11
Abstract
Abstract The compound of the formula Use: Oestrogenic agent for inhibiting the gonadotropic function and ovulation.
Inventors
- 👤 Georg Anner
- 👤 Jaroslav Kalvoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:19
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/565; C; C07; C07J; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3558776A
Cited
US3557161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |