US2773076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing compounds having adreno-cortical hormone activity
Assignee: Organon NV
•
Filing: 1951-11-05
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Granted: 1956-12-04
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Expires: 1971-11-05
Abstract
No abstract record available.
Inventors
- 👤 Reichstein Tadeus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:39
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A $14,15-PREGNENE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
6 words
A $14,15-PREGNENE COMPOUND 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) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |