US3023229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microbiological aromatization of steroids
Assignee: GD Searle LLC
•
Filing: 1958-09-08
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Granted: 1962-02-27
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Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Robert D Muir
- 👤 Raymond M Dodson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:44
CPC Classifications
C; C12; C12P; C12P33/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/83; Y10S435/872; Y10S435/874
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
21 words
THE PROCESS OF AROMATIZING RING A OF ANDROXTENEDIONE WHICH COMPRISES SUBJECTING ANDROSTENEDIONE TO THE ACTION OF THE ENZYMES OF PSEUDOMONAS DACUNHAE.
Claim 2
Dependent Claim
21 words
THE PROCESS OF AROMATIZING RING A OF ANDROXTENEDIONE WHICH COMPRISES SUBJECTING ANDROSTENEDIONE TO THE ACTION OF THE ENZYMES OF PSEUDOMONAS DACUNHAE.
Claim 3
Dependent Claim
32 words
A COMPOUND OF THE FORMULA WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF CARBONYL, HYDROXYMETHYLENE AND (LOWER) ALKANOYLOXYMETHYLENE AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND (LOWER) ALKANOYL.
Claim 4
Dependent Claim
32 words
A COMPOUND OF THE FORMULA WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF CARBONYL, HYDROXYMETHYLENE AND (LOWER) ALKANOYLOXYMETHYLENE AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND (LOWER) ALKANOYL.
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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |