US3201324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the microbiological oxygenation of progesterone
Assignee: Pharmacia and Upjohn Co
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Filing: 1963-06-17
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Granted: 1965-08-17
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Hanson
- 👤 William D Maxon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:22
CPC Classifications
C; C12; C12P; C12P33/00; C12P33/06; C12P33/08; C12P33/10; Y; Y10; Y10S; Y10S435/00; Y10S435/812; Y10S435/8215; Y10S435/911; Y10S435/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN THE PROCESS FOR THE MICROBIOLOGICAL CONVERSION OF COMMINUTED PROGESTERONE HAVING A PARTICLE-SIZE DISTRIBUTION 90% SMALLER THAN 10 MICROSN TO 11 A-HYDROXYPROGESTERONE USING RHIZOPUS NIGRICANS UNDER SUBMERGED AEROBIC FERMENTATION CONDITIONS, THE IMPROVEMENT WHICH COMPRISES: CARRYING OUT THE MICROBIOLOGICAL CONVERSION AT A SUBSTRATE LEVEL WITHIN THE RANGE OF FROM 15 TO 40 GRAMS PER LITER OF A NUTRIENT MEDIUM, WHEREIN THE ASSIMILABLE NITROGEN IS PROVIDED BY A MEMBER SELECTED FROM THE GROUP CONSISTING OF SOYBEAN MEAL, COTTONSEED MEAL, FISH MEAL, COCONUT MEAL, COMMERCIAL YEASTS, LACTALBUMIN DIGESTS AND MIXTURES THEREOF.
Claim 2
Dependent Claim
88 words
IN THE PROCESS FOR THE MICROBIOLOGICAL CONVERSION OF COMMINUTED PROGESTERONE HAVING A PARTICLE-SIZE DISTRIBUTION 90% SMALLER THAN 10 MICROSN TO 11 A-HYDROXYPROGESTERONE USING RHIZOPUS NIGRICANS UNDER SUBMERGED AEROBIC FERMENTATION CONDITIONS, THE IMPROVEMENT WHICH COMPRISES: CARRYING OUT THE MICROBIOLOGICAL CONVERSION AT A SUBSTRATE LEVEL WITHIN THE RANGE OF FROM 15 TO 40 GRAMS PER LITER OF A NUTRIENT MEDIUM, WHEREIN THE ASSIMILABLE NITROGEN IS PROVIDED BY A MEMBER SELECTED FROM THE GROUP CONSISTING OF SOYBEAN MEAL, COTTONSEED MEAL, FISH MEAL, COCONUT MEAL, COMMERCIAL YEASTS, LACTALBUMIN DIGESTS AND MIXTURES THEREOF.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |