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Patent US2657170A successfully refreshed from Google Patents.
US2657170A
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Antimycin and process for production
Assignee: Wisconsin Alumni Research Foundation
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Filing: 1949-02-02
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Granted: 1953-10-27
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Expires: 1969-02-02
Abstract
No abstract record available.
Inventors
- 👤 George W Keitt
- 👤 Frank M Strong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:35
CPC Classifications
A; A61; A61K; A61K36/00; A61K36/06; A01; A01N; A01N63/00; A01N63/20; A01N63/28; C; C12; C12N; C12N1/00; C12N1/20; C12N1/205; C12R; C12R2001/00; C12R2001/01; C12R2001/465; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS FOR THE PRODUCTION OF ANTIMYCIN COMPRISING CULTIVATING A CULTURE MEDIUM INOCULATED WITH AN ANTIMYCIN-PRODUCING STRAIN NRRL 2288 OF STREPTOMYCES FOR ABOUT 70-100 HOURS AT A TEMPERATURE OF ABOUT 24-29* C., SEPARATING THE CULTURE BROTH FROM UNWANTED INSOLUBLE MATERIAL INCLUDING ORGANISM GROWTH, ACIDIFYING THE RESULTING CRUDE ANTIMYCIN LIQUOR, AND RECOVERING THE RESULTING CRUDE ACID PRECIPATED ANTIMYCIN PRECIPITATE.
Claim 2
Dependent Claim
58 words
A PROCESS FOR THE PRODUCTION OF ANTIMYCIN COMPRISING CULTIVATING A CULTURE MEDIUM INOCULATED WITH AN ANTIMYCIN-PRODUCING STRAIN NRRL 2288 OF STREPTOMYCES FOR ABOUT 70-100 HOURS AT A TEMPERATURE OF ABOUT 24-29* C., SEPARATING THE CULTURE BROTH FROM UNWANTED INSOLUBLE MATERIAL INCLUDING ORGANISM GROWTH, ACIDIFYING THE RESULTING CRUDE ANTIMYCIN LIQUOR, AND RECOVERING THE RESULTING CRUDE ACID PRECIPATED ANTIMYCIN PRECIPITATE.
References Cited (Backward Citations)
US2461922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |