US2831798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mgsox
Assignee: —
•
Filing: —
•
Granted: 1958-04-22
•
Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:56
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
126 words
A PROCESS FOR PRODUCING A POLYHYDROXY STEROIS OF THE GROUP CONSISTING OF PREGNANES, AND ALLOPREGNANES HAVING HYDROXYL GROUPS IN AT LEAST TWO OF THE POSITIONS 11, 17A, AND 21, WHICH COMPRISES SUBJECTING A DESOXY STEROID OF THE GROUP CONSISTING OF PREGNANES, PREGNANES, AND ALLOPREGNANES, CORRESPONDING TO THE DESIRED POLYHYDROXY STEROID TO THE ACTION OF OXYGENATED STRAINS OF AT LEAST TWO DIFFERENT TYPES OF MICROORGANISMS, ONE MICROORGANISM BEING ACTIVE SELECTIVELY OXYGENATING ONE OF THE POSITIONS 11, 17A, AND 21, AND A SECOND MICROORGANISM BEING ACTIVE IN SELECTIVELY OXYGENATING A DIFFERENT POSITION OF THE GROUP 11, 17A, AND 21, IN WHICH THE OXYGENATING BY AT LEAST ONE OF THE MICROORGANISMS IS CARRIED OUT IN THE PRESENCE OF AT LEAST ONE OTHER MICROOGANISM TO PRODUCE THE CORRESPONDING POLYHYDROXY STEROID.
Claim 2
Dependent Claim
126 words
A PROCESS FOR PRODUCING A POLYHYDROXY STEROIS OF THE GROUP CONSISTING OF PREGNANES, AND ALLOPREGNANES HAVING HYDROXYL GROUPS IN AT LEAST TWO OF THE POSITIONS 11, 17A, AND 21, WHICH COMPRISES SUBJECTING A DESOXY STEROID OF THE GROUP CONSISTING OF PREGNANES, PREGNANES, AND ALLOPREGNANES, CORRESPONDING TO THE DESIRED POLYHYDROXY STEROID TO THE ACTION OF OXYGENATED STRAINS OF AT LEAST TWO DIFFERENT TYPES OF MICROORGANISMS, ONE MICROORGANISM BEING ACTIVE SELECTIVELY OXYGENATING ONE OF THE POSITIONS 11, 17A, AND 21, AND A SECOND MICROORGANISM BEING ACTIVE IN SELECTIVELY OXYGENATING A DIFFERENT POSITION OF THE GROUP 11, 17A, AND 21, IN WHICH THE OXYGENATING BY AT LEAST ONE OF THE MICROORGANISMS IS CARRIED OUT IN THE PRESENCE OF AT LEAST ONE OTHER MICROOGANISM TO PRODUCE THE CORRESPONDING POLYHYDROXY STEROID.
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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |