US3115444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for microbial hydroxylation of steroids containing aromatic alpha-rings
Assignee: Olin Corp
•
Filing: 1962-11-06
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Granted: 1963-12-24
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Expires: 1982-11-06
Abstract
No abstract record available.
Inventors
- 👤 Allen I Laskin
- 👤 Fried Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:04
CPC Classifications
C; C12; C12P; C12P33/00; C07; C07J; C07J1/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS FOR HYDROXYLATING A STERIOD OF THE ESTRANE SERIES CONTINGING AN AROMATIC A-RING IN ONE OF THE POSITIONS SELECTED FROM THE GROUP CONSISTING OF THE 7A-POSITION AND THE 15A-POSITION, WHICH COMPRISES SUBJECTING SUCH STEROID TO THE ACTION OF ENZYMES OF A MICROORGANISM OF THE GENUS GLOMERELLA.
Claim 2
Dependent Claim
47 words
A PROCESS FOR HYDROXYLATING A STERIOD OF THE ESTRANE SERIES CONTINGING AN AROMATIC A-RING IN ONE OF THE POSITIONS SELECTED FROM THE GROUP CONSISTING OF THE 7A-POSITION AND THE 15A-POSITION, WHICH COMPRISES SUBJECTING SUCH STEROID TO THE ACTION OF ENZYMES OF A MICROORGANISM OF THE GENUS GLOMERELLA.
References Cited (Backward Citations)
US2985563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |