Patent US3030358A successfully refreshed from Google Patents.
US3030358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reduction of delta4 androstene [3.2-c] pyrazole compounds
Assignee: STWB Inc
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Filing: 1961-05-11
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Granted: 1962-04-17
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Expires: 1981-05-11
Abstract
No abstract record available.
Inventors
- 👤 Manson Andrew John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:16
CPC Classifications
C; C07; C07J; C07J71/00; C07F; C07F1/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE PROCESS FOR PREPARING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 17B-HYDROXYANDROSTANO(3.2-CLPYRAZOLE AND 17B-HYDROXY-17A-LOWER-ALKYLANDROSTANO(3.2-CLPYRAZOLES WHICH COMPRISES TREATING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 17B-HYDROXY-4-ANDROSTENOL(3.2-CLPYRAZOLE AND 17B-HYDROXY-17A-LOWER-ALKYL-4ANDROSTENOL(3.2-CLPYRAZOLES WITH A LIQUID AMMONIA SOLUTION OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS AND WITH A LOWERALANOL.
Claim 2
Dependent Claim
53 words
THE PROCESS FOR PREPARING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 17B-HYDROXYANDROSTANO(3.2-CLPYRAZOLE AND 17B-HYDROXY-17A-LOWER-ALKYLANDROSTANO(3.2-CLPYRAZOLES WHICH COMPRISES TREATING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 17B-HYDROXY-4-ANDROSTENOL(3.2-CLPYRAZOLE AND 17B-HYDROXY-17A-LOWER-ALKYL-4ANDROSTENOL(3.2-CLPYRAZOLES WITH A LIQUID AMMONIA SOLUTION OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS AND WITH A LOWERALANOL.
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |