US3068155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A method of producing yeast
Assignee: Individual
•
Filing: 1959-02-27
•
Granted: 1962-12-11
•
Expires: 1979-02-27
Abstract
No abstract record available.
Inventors
- 👤 Stich Eugen Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:11
CPC Classifications
C; C12; C12M; C12M27/00; C12M27/18; C12M27/20; C12M29/00; C12M29/02; C12M29/06; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/818; Y10S435/819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A METHOD OF PRODUCING YEAST BY AERATING A YEAST CONTAINING MASH CONTAINED IN A TANK COMPRISING THE CONTINUOUS EXTRACTION OF FERMENTATION PRODUCTS FROM THE TANK AND AERATING THE CONTINUOUSLY EXTRACTED FERMENTATION PRODUCTS BY PASSING THE SAME AROUND AN OXYGEN CONTAINING GAS CHARGED DIAPHRAGM AND RETURNING THE AERATED FERMENTATION PRODUCTS TO THE TANK BELOW THE LEVEL OF THE FERMENTATION PRODUCTS THEREIN, CONTINUOUSLY EXTRACTING OTHER OF THE FERMENTATION PRODUCTS FROM THE TANK, RE MOVING A PORTION OF THE OTHER FERMENTATION PRODUCTS AND RECIRCULATING THE REMAINDER THEREOF INTO THE UPPER PORTION OF THE TANK AFTER ADDING THERETO A NUTRITIVE SOLUTION IN QUANTITY EQUAL TO THE REMOVED FERMENTATION PRODUCTS.
Claim 2
Independent Claim
105 words
A METHOD OF PRODUCING YEAST BY AERATING A YEAST CONTAINING MASH CONTAINED IN A TANK COMPRISING THE CONTINUOUS EXTRACTION OF FERMENTATION PRODUCTS FROM THE TANK AND AERATING THE CONTINUOUSLY EXTRACTED FERMENTATION PRODUCTS BY PASSING THE SAME AROUND AN OXYGEN CONTAINING GAS CHARGED DIAPHRAGM AND RETURNING THE AERATED FERMENTATION PRODUCTS TO THE TANK BELOW THE LEVEL OF THE FERMENTATION PRODUCTS THEREIN, CONTINUOUSLY EXTRACTING OTHER OF THE FERMENTATION PRODUCTS FROM THE TANK, RE MOVING A PORTION OF THE OTHER FERMENTATION PRODUCTS AND RECIRCULATING THE REMAINDER THEREOF INTO THE UPPER PORTION OF THE TANK AFTER ADDING THERETO A NUTRITIVE SOLUTION IN QUANTITY EQUAL TO THE REMOVED FERMENTATION PRODUCTS.
References Cited (Backward Citations)
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US2281457A
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US2750328A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |