US2889255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
15-hydroxylation of steroids by gibberella and fusarium
Assignee: Pharmacia and Upjohn Co
•
Filing: 1954-08-17
•
Granted: 1959-06-02
•
Expires: 1974-08-17
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Murray
- 👤 Peter D Meister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:06
CPC Classifications
C; C12; C12P; C12P33/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS OF FIFTEEN-HYDROXYLATING A STEROID WHICH COMPRISES: GROWING A SPECIES OF FUNGUS FROM THE GROUP CONSISTING OF THE GENERA GIBBERELLA AND FUSARIUM UNDER AEROBIC CONDITIONS IN THE PRESENCE OF A FERMENTATION MEDIUM CONTAINING ASSIMILABLE NON-STEROIDAL CARBON AND A STEROID HAVING A FIFTEEN METHYLENE GROUP AND UP TO AND INCLUDING 29 CARBON ATOMS IN THE CARBON TO CARBON SKELETON AND RECOVERING THE RESULTING FIFTEEN-HYDROXYLATED STEROID.
Claim 2
Dependent Claim
65 words
A PROCESS OF FIFTEEN-HYDROXYLATING A STEROID WHICH COMPRISES: GROWING A SPECIES OF FUNGUS FROM THE GROUP CONSISTING OF THE GENERA GIBBERELLA AND FUSARIUM UNDER AEROBIC CONDITIONS IN THE PRESENCE OF A FERMENTATION MEDIUM CONTAINING ASSIMILABLE NON-STEROIDAL CARBON AND A STEROID HAVING A FIFTEEN METHYLENE GROUP AND UP TO AND INCLUDING 29 CARBON ATOMS IN THE CARBON TO CARBON SKELETON AND RECOVERING THE RESULTING FIFTEEN-HYDROXYLATED STEROID.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |