US3594277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fermenting hydrocarbons
Assignee: Atlantic Richfield Co
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Filing: 1968-04-23
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Granted: 1971-07-20
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Expires: 1988-04-23
Abstract
Abstract A FERMENTOR COMPRISING A NORMALLY HORIZONTAL CYLINDRICAL CHAMBER HAVING CLOSED ENDS AND INCLUDING A PLURALITY OF APERTURED DISCS ROTATABLY MOUNTED IN THE CYLINDER, INLET CONDUITS FOR BIOLOGBICAL NUTRIENTS AND AIR ONE END OF THE CLOSED CYLINDER AND CONDUITS FOR REMOVING AIR, SPENT NUTRIENTS AND BIOLOGICAL PRODUCTS AT THE OTHER END OF THE CYLINDER, THE DISCS BEING ADAPTED FOR CONTINUOUSLY ROTATABLY CARRYING PORTIONS OF LIQUID NUTRIENT FROM THE BOTTOM OF THE CYLINDER INTO A GAS PHASE AT THE TOP OF THE CYLINDER, IS DISCLOSED.
Inventors
- 👤 Peter F Mako
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:57
CPC Classifications
C; C12; C12M; C12M27/00; C12M27/02; C12M27/06; C12M27/18; C12M27/22; C12M41/00; C12M41/12; C12M41/44; Y; Y10; Y10S; Y10S435/00; Y10S435/804
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |