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US3015612A Expired / Lapsed US ⏱️ 0.0 years remaining

Continuous fermentation apparatus for the production of a chemical product

Assignee: National Research Development Corp UK
•
Filing: 1958-02-18
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Granted: 1962-01-02
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Expires: 1978-02-18
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Abstract

No abstract record available.

Inventors

  • 👤 Pirt Stanley John
  • 👤 Callow Donald Sidney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:49
CPC Classifications
C; C12; C12M; C12M41/00; C12M23/00; C12M23/58; C12M41/12; C12M41/26; C12M41/30; C12M41/32; C12M41/34; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/8215; Y10S435/911; Y10S435/933; Y10S435/935

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 218 words
APPARATUS FOR CARRYING OUT A CONTINUOUS FERMENTATION PROCESS FOR THE FORMATION OF A GIVEN CHEMICAL PRODUCT FROM A SUBSTRATE BY THE ACTION OF A MICRO-ORGANISM AND COMPRISING A FIRST CULTURE VESSEL ADAPTED TO CONTAIN A FIRST CONTINUOUS FERMENTING CULTURE MEDIUM, A FIRST CONTINUOUS FEED DEVICE FOR SUPPLYING AT A STEADY PREDETERMINED RATE THE FIRST CULTURE VESSEL WITH A GROWTH MEDIUM FOR THE MICRO-ORGANISM, A SECOND CULTURE VESSEL ADAPTED TO CONTAIN A SECOND CONTINUOUSLY FERMENTING CULTURE MEDIUM FERMENTING SIMULTANEOUSLY WITH THE FIRST CULTURE MEDIUM, A SECOND CONTINUOUS FEED DEVICE FOR SUPPLYING FERMENTING MEDIUM CONTINUOUSLY AT SAID PREDETERMINED RATE FROM THE FIRST VESSEL TO THE SECOND VESSEL, A THIRD CONTINUOUS FEED DEVICE FOR SUPPLYING A MEDIUM CONTAINING SAID SUBSTRATE DIRECT TO THE SECOND CULTURE VESSEL CONTINUOUSLY AT A STEADY RATE, AND AN OUTPUT DEVICE FOR WITHDRAWING MEDIUM FROM THE SECOND CULTURE VESSEL AT THE RATE MEDIUM IS SUPPLIED TO THIS VESSEL, A FIRST CONTROL SYSTEM FOR MAINTAINING CONSTANT AND HOMOGENEOUS CONTINUOUS CULTURE CONDITIONS IN THE FIRST VESSEL WHICH ARE MORE FAVOURABLE TO THE GROWTH OF THE MICRO-ORGANISMS THAN TO THE FORMATION OF THE CHEMICAL PRODUCT, AND A SECOND CONTROL SYSTEM FOR SIMULTANEOUSLY MAINTAINING CONSTANT AND HOMOGENEOUS CULTURE CONDITIONS IN THE SECOND VESSEL WHICH ARE MORE FAVOURABLE TO THE FORMATION OF THE CHEMICAL PRODUCT THAN TO THE GROWTH OF THE MICRO-ORGANISMS.
Claim 2
Dependent Claim 218 words
APPARATUS FOR CARRYING OUT A CONTINUOUS FERMENTATION PROCESS FOR THE FORMATION OF A GIVEN CHEMICAL PRODUCT FROM A SUBSTRATE BY THE ACTION OF A MICRO-ORGANISM AND COMPRISING A FIRST CULTURE VESSEL ADAPTED TO CONTAIN A FIRST CONTINUOUS FERMENTING CULTURE MEDIUM, A FIRST CONTINUOUS FEED DEVICE FOR SUPPLYING AT A STEADY PREDETERMINED RATE THE FIRST CULTURE VESSEL WITH A GROWTH MEDIUM FOR THE MICRO-ORGANISM, A SECOND CULTURE VESSEL ADAPTED TO CONTAIN A SECOND CONTINUOUSLY FERMENTING CULTURE MEDIUM FERMENTING SIMULTANEOUSLY WITH THE FIRST CULTURE MEDIUM, A SECOND CONTINUOUS FEED DEVICE FOR SUPPLYING FERMENTING MEDIUM CONTINUOUSLY AT SAID PREDETERMINED RATE FROM THE FIRST VESSEL TO THE SECOND VESSEL, A THIRD CONTINUOUS FEED DEVICE FOR SUPPLYING A MEDIUM CONTAINING SAID SUBSTRATE DIRECT TO THE SECOND CULTURE VESSEL CONTINUOUSLY AT A STEADY RATE, AND AN OUTPUT DEVICE FOR WITHDRAWING MEDIUM FROM THE SECOND CULTURE VESSEL AT THE RATE MEDIUM IS SUPPLIED TO THIS VESSEL, A FIRST CONTROL SYSTEM FOR MAINTAINING CONSTANT AND HOMOGENEOUS CONTINUOUS CULTURE CONDITIONS IN THE FIRST VESSEL WHICH ARE MORE FAVOURABLE TO THE GROWTH OF THE MICRO-ORGANISMS THAN TO THE FORMATION OF THE CHEMICAL PRODUCT, AND A SECOND CONTROL SYSTEM FOR SIMULTANEOUSLY MAINTAINING CONSTANT AND HOMOGENEOUS CULTURE CONDITIONS IN THE SECOND VESSEL WHICH ARE MORE FAVOURABLE TO THE FORMATION OF THE CHEMICAL PRODUCT THAN TO THE GROWTH OF THE MICRO-ORGANISMS.

References Cited (Backward Citations)

US1875536A Cited
US1818530A Cited
US1750267A Cited
US1849053A Cited
US2394031A Cited
US2529061A Cited
US2609327A Cited
US2750328A Cited
US2906670A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-01 1965-07-03 1966-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-01 1969-07-03 1970-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-01 1973-07-03 1974-01-02 $7700.00 Window Closed / Lapsed

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