US2960436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of steroids by diplodia natalensis
Assignee: Olin Corp
•
Filing: 1959-11-23
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Granted: 1960-11-15
•
Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Richard W Thoma
- 👤 Fried Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:53
CPC Classifications
C; C12; C12P; C12P33/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
THE PROCESS FOR 7A-HYDROXYLATING STEROIDS WHICH COMPRISES SUBJECTING A 7-UNSUBSTITUTED STEROID SELECTED FROM THE GROUP CONSISTING OF THOSE OF THE ANDROSTANE AND PREGNANE SERIES TO THE ACTION OF ENZYMES OF DIPLODIA NATALENSIS UNDER OXIDIZING CONDITIONS AND RECOVERING THE 7A-HYDROXYSTEROID THUS FORMED.
Claim 2
Dependent Claim
41 words
THE PROCESS FOR 7A-HYDROXYLATING STEROIDS WHICH COMPRISES SUBJECTING A 7-UNSUBSTITUTED STEROID SELECTED FROM THE GROUP CONSISTING OF THOSE OF THE ANDROSTANE AND PREGNANE SERIES TO THE ACTION OF ENZYMES OF DIPLODIA NATALENSIS UNDER OXIDIZING CONDITIONS AND RECOVERING THE 7A-HYDROXYSTEROID THUS FORMED.
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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |