US2666015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biochemical processes for the 11-hydroxylation of steroids
Assignee: GD Searle LLC
•
Filing: 1949-08-13
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Granted: 1954-01-12
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Expires: 1969-08-13
Abstract
No abstract record available.
Inventors
- 👤 Pincus Gregory
- 👤 Hechter Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:34
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
THE METHOD OF INTRODUCING A HYDROXYL RADICAL INTO THE 11-POSITION OF A STEROID SELECTED FROM THE GROUP CONSISTING OF 11-DESOXYCORTICOSTERONE AND 11-DESOXY-17-HYDROXYCORTICOSTERONE WHICH COMPRISES DISSOLVING SAID STEROID IN A FLUID SELECTED FORM BLOOD, BLOOD PLASMA AND BLOOD ESRUM; PASSING THE SOLUTION SO OBTAINED THROUGH A FUNCTIONING, EXCISED, MAMMALIAN ADRENAL GLAND; AND SUBSEQUENTLY ISOLATING THE 11-HYDROXYL STEROIDS THUS PRODUCED.
References Cited (Backward Citations)
US1515976A
Cited
US2166877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |