US3019170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing microbial activites
Assignee: Individual
•
Filing: 1960-03-08
•
Granted: 1962-01-30
•
Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:05
CPC Classifications
C; C12; C12P; C12P1/00; C12P33/00; C12P33/06; C12P33/08; C12P33/10; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN IMPROVED PROCESS FOR THE MICROBIOLOGICAL OXIDATION OF PROGESTERONE TO 11-ALPHA-HYDROXYPROGESTERONE WHICH COMPRISES SUSPENDING SMOOTH-SURFACED PARTICLES PRODUCED BY ATTRITIVELY COLLIDING CRYSTALLINE PARTICLES OF PROGESTERONE AT SUPERSONIC VELOCITY IN WATER CONTAINING A SMALL AMOUNT OF A WETTING AGENT, STERILIZING THE SUSPENSION, ADDING A QUANTITY OF THE STERILLIZED SUSPENSION TO A VIGOROUSLY GROWING CULTURE OF ASPERGILLUS OCHRACEUS DILUTED WITH AT LEAST ABOUT AN EQUAL VOLUME OF WATER TO PROVIDE A CONCENTRATION OF PROGESTERONE OF ABOUT FROM 20 TO 50 GRAMS PER LITER OF DILUTED CULTURE, INCUBATING THE RESULTING MIXTURE WHEREBY PROGESTERONE IS OXIDIZED BY THE GROWING CULTURE TO 11-ALPHA-HYDROXPROGESTERONE, AND RECOVERING THE 11-ALPHA-HYDROXYPROGESTERONE FROM THE REACTION MIXTURE.
Claim 2
Dependent Claim
105 words
AN IMPROVED PROCESS FOR THE MICROBIOLOGICAL OXIDATION OF PROGESTERONE TO 11-ALPHA-HYDROXYPROGESTERONE WHICH COMPRISES SUSPENDING SMOOTH-SURFACED PARTICLES PRODUCED BY ATTRITIVELY COLLIDING CRYSTALLINE PARTICLES OF PROGESTERONE AT SUPERSONIC VELOCITY IN WATER CONTAINING A SMALL AMOUNT OF A WETTING AGENT, STERILIZING THE SUSPENSION, ADDING A QUANTITY OF THE STERILLIZED SUSPENSION TO A VIGOROUSLY GROWING CULTURE OF ASPERGILLUS OCHRACEUS DILUTED WITH AT LEAST ABOUT AN EQUAL VOLUME OF WATER TO PROVIDE A CONCENTRATION OF PROGESTERONE OF ABOUT FROM 20 TO 50 GRAMS PER LITER OF DILUTED CULTURE, INCUBATING THE RESULTING MIXTURE WHEREBY PROGESTERONE IS OXIDIZED BY THE GROWING CULTURE TO 11-ALPHA-HYDROXPROGESTERONE, AND RECOVERING THE 11-ALPHA-HYDROXYPROGESTERONE FROM THE REACTION MIXTURE.
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |