Patent US2966444A successfully refreshed from Google Patents.
US2966444A
Expired / Lapsed
US
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Enzymatic oxygenative production of 11-or 19-position hydroxylated steroids
Assignee: Takeda Pharmaceutical Co Ltd
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Filing: 1959-10-13
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Granted: 1960-12-27
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Expires: 1979-10-13
Abstract
No abstract record available.
Inventors
- 👤 Hasegawa Takezi
- 👤 Takahashi Takeshi
- 👤 Hagiwara Hikoichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:15
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
76 words
A PROCESS FOR THE PRODUCTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF 11B-POSITION HYDROXYLATED STEROIDS, 11A-POSITION HYDROXYLATED STEROIDS AND 19-POSITION HYDROXYLATED STEROIDS, WHICH COMPRISES THE STEP OF SUBJECTING A STEROID WHICH IS UNSUBSTITUTED AT THE 11- AND 19-POSITIONS TO THE ACTION OF OXYGENATING ENZYMES PRODUCED FROM A FUNGUS OF THE GENUS CORTICIUM (ORDER AGARICALES, CLASS BASIDIOMYCETES), WHEREBY AN OH-GROUP IS INTRODUCED INTO A POSITION SELECTED FROM THE GROUP CONSISTING OF THE 11- AND 19-POSITIONS.
Claim 2
Dependent Claim
76 words
A PROCESS FOR THE PRODUCTION OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF 11B-POSITION HYDROXYLATED STEROIDS, 11A-POSITION HYDROXYLATED STEROIDS AND 19-POSITION HYDROXYLATED STEROIDS, WHICH COMPRISES THE STEP OF SUBJECTING A STEROID WHICH IS UNSUBSTITUTED AT THE 11- AND 19-POSITIONS TO THE ACTION OF OXYGENATING ENZYMES PRODUCED FROM A FUNGUS OF THE GENUS CORTICIUM (ORDER AGARICALES, CLASS BASIDIOMYCETES), WHEREBY AN OH-GROUP IS INTRODUCED INTO A POSITION SELECTED FROM THE GROUP CONSISTING OF THE 11- AND 19-POSITIONS.
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |