Patent US2958631A successfully refreshed from Google Patents.
US2958631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxylated steroids and methods for their manufacture using bacillus megatherium
Assignee: Merck Sharp & Dohme LLC
•
Filing: 1959-06-12
•
Granted: 1960-11-01
•
Expires: 1979-06-12
Abstract
No abstract record available.
Inventors
- 👤 Charney William
- 👤 Hershel L Herzog
- 👤 Sutter David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:15
CPC Classifications
C; C12; C12P; C12P33/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/832; Y10S435/837
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A PROCESS FOR PREPARING A 15B-HYDROXY STEROID WHICH COMPRISES SUBJECTING A 15-DESOXY STEROID TO THE OXYGENATING ACTION OF THE MICROORGANISM BACILLUS MEGATHERIUM.
Claim 2
Dependent Claim
22 words
A PROCESS FOR PREPARING A 15B-HYDROXY STEROID WHICH COMPRISES SUBJECTING A 15-DESOXY STEROID TO THE OXYGENATING ACTION OF THE MICROORGANISM BACILLUS MEGATHERIUM.
References Cited (Backward Citations)
US2844513A
Cited
US2833797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |