Patent US2879206A successfully refreshed from Google Patents.
US2879206A
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Oxygenation in the 6 and 11 positions by entomophthora
Assignee: Pharmacia and Upjohn Co
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Filing: 1952-06-06
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Granted: 1959-03-24
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Expires: 1972-06-06
Abstract
No abstract record available.
Inventors
- 👤 Weintraub Adolph
- 👤 Peter D Meister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:02
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
49 words
A PROCESS FOR THE PRODUCTION OF AN ELEVEN OXYGENATED STEROID COMPRISING THE STEPS OF AEROBICALLY SUBJECTING A STEROID CONTAINING AN ELEVEN METHYLENE GROUP TO THE ACTION OF OXYGENATING ENZYMES PRODUCED BY A GROWTH OF A SPECIES OF FUNGUS OF THE ORDER ENTOMOPHTHORALES AND RECOVERING THE RESULTING ELEVEN OXYGENATED STEROID.
Claim 2
Dependent Claim
49 words
A PROCESS FOR THE PRODUCTION OF AN ELEVEN OXYGENATED STEROID COMPRISING THE STEPS OF AEROBICALLY SUBJECTING A STEROID CONTAINING AN ELEVEN METHYLENE GROUP TO THE ACTION OF OXYGENATING ENZYMES PRODUCED BY A GROWTH OF A SPECIES OF FUNGUS OF THE ORDER ENTOMOPHTHORALES AND RECOVERING THE RESULTING ELEVEN OXYGENATED STEROID.
References Cited (Backward Citations)
US2602769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |