US3124571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for hydrgxyiation of
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:13
CPC Classifications
C; C07; C07J; C07J71/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/843; Y10S435/911
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
83 words
A METHOD FOR PREPARING A 6A-FLUORO-11B-HYDROXYCORTICAL HORMONE SELECTED FROM THE GROUP CONSISTING OF THE 16A, 17A-CYCLIC KETAL OF 6A-FLUORO-16A-HYDROXY-HYDROCORTISONE, THE 16A, 17A-CYCLIC KETAL OF 6A-FLUORO-16A-HYDROXY-PREDNISOLONE, THE 16A, 17A-CYCLIC ACETAL OF 6A-FLUORO16A-HYDROXY-HYDROCORTISONE AND THE 16A, 17A-CYCLIC ACETAL OF 6A-FLUORO-16A-HYDROXY-PREDNISOLONE IN WHICH THE CYCLIC ACETAL AND THE CYCLIC KETAL GROUPS EACH CONTAIN UP TO 14 CARBON ATOMS COMPRISING INCUBATING THE CORRESPONDING 11-DESOXY COMPOUND WITH A FUNGUS SELECTED FROM THE GROUP CONSISTING OF CUNNINGHAMELLA BAINIERI ATCC 9244, CUNNINGHAMELLA BLAKESLEEANA ATCC 8688A AND CUNNINGHAMELLA BLAKESLEEANA ATCC 8688B.
Claim 2
Independent Claim
83 words
A METHOD FOR PREPARING A 6A-FLUORO-11B-HYDROXYCORTICAL HORMONE SELECTED FROM THE GROUP CONSISTING OF THE 16A, 17A-CYCLIC KETAL OF 6A-FLUORO-16A-HYDROXY-HYDROCORTISONE, THE 16A, 17A-CYCLIC KETAL OF 6A-FLUORO-16A-HYDROXY-PREDNISOLONE, THE 16A, 17A-CYCLIC ACETAL OF 6A-FLUORO16A-HYDROXY-HYDROCORTISONE AND THE 16A, 17A-CYCLIC ACETAL OF 6A-FLUORO-16A-HYDROXY-PREDNISOLONE IN WHICH THE CYCLIC ACETAL AND THE CYCLIC KETAL GROUPS EACH CONTAIN UP TO 14 CARBON ATOMS COMPRISING INCUBATING THE CORRESPONDING 11-DESOXY COMPOUND WITH A FUNGUS SELECTED FROM THE GROUP CONSISTING OF CUNNINGHAMELLA BAINIERI ATCC 9244, CUNNINGHAMELLA BLAKESLEEANA ATCC 8688A AND CUNNINGHAMELLA BLAKESLEEANA ATCC 8688B.
Claim 3
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 4
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |