US3563858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeration and foam control in sparged fermentation
Assignee: United States Department of the Navy
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Filing: 1967-09-27
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Granted: 1971-02-16
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Expires: 1987-09-27
Abstract
Abstract THE METHOD OF CONTROLLING FOAM GENERATED BY THE BIOLOGICAL REACTION OF A FLUID CULTURE MEDIUM IN A CONTAINER WHERIN THE INLET OF A PUMP IS CONNECTED TO WITHDRAW FOAM FROM THE HEAD SPACE ABOVE THE CULTURE MEDIUM AND TO WITHDRAW CULTURE MEDIUM FROM THE CONTAINER. THE PUMP COMPRESSES THE WITHDRAWN FOAM, INCLUDING THE AIR AND MICROBIAL MASS CONTAINED THEREIN, AND THE WITHDRAWN FOAM AND WITHDRAWN COMPRESSED MIXTURE OF WITHDRAWN FOAM AND WITHDRAWN CULTURE MEDIUM IS THEN REINTRODUCED INTO THE CULTURE MEDIUM IN THE CONTAINER THEREBY RESULTING IN THE INTIMATE DISPERSION OF THE AIR, THE MICROBIAL MASS AND THE CULTURE MEDIUM WITHIN THE CONTAINER.
Inventors
- 👤 George R L Worthington
- 👤 Hyman Wolochow
- 👤 Mark A Chatigny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:54
CPC Classifications
C; C12; C12M; C12M29/00; C12M29/18; C12M41/00; C12M41/02; Y; Y10; Y10S; Y10S435/00; Y10S435/812; Y10S435/818
Claims Analysis
Total Claims: 0
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |