US3010881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling the growth of microbial cultures
Assignee: Patentauswertung Vogelbusch GmbH
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Filing: 1960-12-01
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Granted: 1961-11-28
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Markhof Gustav Mautner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:32
CPC Classifications
C; C12; C12M; C12M41/00; C12M41/30; C12M41/32; C12M21/00; C12M21/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A METHOD OF CONTROLLING THE AEROBIC GROWTH OF A YEAST CULTURE PRODUCING ALCOHOL FROM A NUTRIENT MATERIAL, THE ALCOHOL BEING VOLATILE WITH AIR, THE STEPS COMPRISING PASSING RESPIRATION SUPPORTING AIR THROUGH SAID CULTURE, WHEREBY A PORTION OF THE ALCOHOL PRODUCED THEREBY IS ENTRAINED BY AIR, PASSING A PORTION OF SAID AIR ENTRAINING ALCOHOL FROM SAID YEAST CULTURE THROUGH A REACTION ZONE; REACTING SAID ALCOHOL IN SAID ZONE WITH OXYGEN CONTAINED IN SAID AIR, SENSING THE TEMPERATURE CHANGE PRODUCED BY THE REACTION, TRANSLATING SAID TEMPERATURE CHANGE INTO AN ELECTRICAL SIGNAL, AND CONTROLLING FLOW OF NEUTRIENT MATERIAL TO SAID CULTURE RESPONSIVE TO SAID ELECTRICAL SIGNAL.
Claim 2
Dependent Claim
104 words
IN A METHOD OF CONTROLLING THE AEROBIC GROWTH OF A YEAST CULTURE PRODUCING ALCOHOL FROM A NUTRIENT MATERIAL, THE ALCOHOL BEING VOLATILE WITH AIR, THE STEPS COMPRISING PASSING RESPIRATION SUPPORTING AIR THROUGH SAID CULTURE, WHEREBY A PORTION OF THE ALCOHOL PRODUCED THEREBY IS ENTRAINED BY AIR, PASSING A PORTION OF SAID AIR ENTRAINING ALCOHOL FROM SAID YEAST CULTURE THROUGH A REACTION ZONE; REACTING SAID ALCOHOL IN SAID ZONE WITH OXYGEN CONTAINED IN SAID AIR, SENSING THE TEMPERATURE CHANGE PRODUCED BY THE REACTION, TRANSLATING SAID TEMPERATURE CHANGE INTO AN ELECTRICAL SIGNAL, AND CONTROLLING FLOW OF NEUTRIENT MATERIAL TO SAID CULTURE RESPONSIVE TO SAID ELECTRICAL SIGNAL.
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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |