US2828245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for production of viomycin
Assignee: Commercial Solvents Corp
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Filing: 1954-09-27
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Granted: 1958-03-25
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Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Freaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/04; C07K; C07K7/00; C07K7/50; C07K7/54; C07K7/56; C12; C12N; C12N1/00; C12N1/14; C12N1/145; C12P; C12P19/00; C12P19/44; C12P21/00; C12P21/02; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROCESS FOR THE PRODUCTION OF VIOMYCIN WHICH COMPRISES CULTURING THE ORGANISM ANTINOMYCES VINACEUS ON A LIQUID NUTRIENT MEDIUM AERATED AT A SUPERFICIAL AIR VELOCITY OF FROM ABOUT 0.7 TO ABOUT 1.0 UNTIL THE PH OF THE MEDIUM REACHES 8.0, THEN INCREASING, THE SUPERFICIAL AIR VELOCITY TO FROM ABOUT 1.5 TO ABOUT 2.0 UNTIL THE FERMENTATION IS COMPLETED, AND RECOVERING THE VIOMYCIN PRODUCED.
Claim 2
Dependent Claim
63 words
A PROCESS FOR THE PRODUCTION OF VIOMYCIN WHICH COMPRISES CULTURING THE ORGANISM ANTINOMYCES VINACEUS ON A LIQUID NUTRIENT MEDIUM AERATED AT A SUPERFICIAL AIR VELOCITY OF FROM ABOUT 0.7 TO ABOUT 1.0 UNTIL THE PH OF THE MEDIUM REACHES 8.0, THEN INCREASING, THE SUPERFICIAL AIR VELOCITY TO FROM ABOUT 1.5 TO ABOUT 2.0 UNTIL THE FERMENTATION IS COMPLETED, AND RECOVERING THE VIOMYCIN PRODUCED.
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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |