US2863806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
17alpha hydroxylation of steroids by trichoderma viride
Assignee: Merck and Co Inc
•
Filing: 1955-12-27
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Granted: 1958-12-09
•
Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Dulaney
- 👤 William J Mcaleer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:43
CPC Classifications
C; C12; C12P; C12P33/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/945
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A PROCESS FOR THE PRODUCTION OF 17 A-HYDROXY STEROIDS, WHICH COMPRISES SUBJECTING A 17 -DESOXY STEROID SELECTED FROM THE GROUP CONSISTING OFPREGNADIENCES, PREGNANES AND ALLOPREGNANES UNDER AREOBIC CONDITIONS TO THE ACTION OF AN OXYGENATING ENZYME PRODUCED BY AN OXYGEN ATING STRAIN OF THE SPECIES TRICHODERMA VIRDE.
Claim 2
Dependent Claim
46 words
A PROCESS FOR THE PRODUCTION OF 17 A-HYDROXY STEROIDS, WHICH COMPRISES SUBJECTING A 17 -DESOXY STEROID SELECTED FROM THE GROUP CONSISTING OFPREGNADIENCES, PREGNANES AND ALLOPREGNANES UNDER AREOBIC CONDITIONS TO THE ACTION OF AN OXYGENATING ENZYME PRODUCED BY AN OXYGEN ATING STRAIN OF THE SPECIES TRICHODERMA VIRDE.
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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |