Patent US2902410A successfully refreshed from Google Patents.
US2902410A
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Process for the 1,2-dehydrogenation of a steroid with septomyxa
Assignee: Pharmacia and Upjohn Co
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Filing: 1957-09-26
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Granted: 1959-09-01
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Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Weintraub Adolph
- 👤 Samuel H Eppstein
- 👤 Peter D Meister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:33
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
39 words
A PROCESS FOR THE 1,2-DEHYDROGENATION OF A STEROID WHICH COMPRISES CONTACTING A VIABLE FUNGUS OF THE GENUS SEPTOMYXA WITH A 3-OXYGENATED STEROID IN WHICH THE 1,2,3-POSITION CARBON ATOM GROUP IS SELECTED FROM -CH2-CH2-CO-, -CH2-CH2-CHOH-, AND -CH2-CH(CH3)-CO- UNDER AEROBIC CONDITIONS.
Claim 2
Dependent Claim
39 words
A PROCESS FOR THE 1,2-DEHYDROGENATION OF A STEROID WHICH COMPRISES CONTACTING A VIABLE FUNGUS OF THE GENUS SEPTOMYXA WITH A 3-OXYGENATED STEROID IN WHICH THE 1,2,3-POSITION CARBON ATOM GROUP IS SELECTED FROM -CH2-CH2-CO-, -CH2-CH2-CHOH-, AND -CH2-CH(CH3)-CO- UNDER AEROBIC CONDITIONS.
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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |