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US3793153A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for propagating yeasts and molds by mixed culturing and method of fermentation thereof

Assignee: Individual
•
Filing: 1971-05-27
•
Granted: 1974-02-19
•
Expires: 1991-05-27
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Abstract

Abstract A strain of bacteria is added to a fermentation system wherein yeasts or molds capable of assimilating hydrocarbons or carbohydrates are fermented using hydrocarbons or carbohydrates as the main carbon source, and mixed culturing is carried out.

Inventors

  • 👤 Y Miura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:49
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/20; C12N1/14; C12N1/16; C12N1/26; C12P; C12P39/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/911

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 17 words
A process according to claim 1, wherein said yeast strain belongs to the family Cryptococcaceae or Endomycetaceae.
Claim 2
Dependent Claim 12 words
A process according to claim 1 wherein said carbon source is hydrocarbon.
Claim 3
Dependent Claim 12 words
A process according to claim 1 wherein said carbon source is carbohydrate.
Claim 4
Dependent Claim 15 words
A process according to claim 1 wherein said culturing temperature is from 25* to 47*C.
Claim 5
Dependent Claim 20 words
A process according to claim 1 wherein the pH of said nutrient medium is adjusted to from 3.5 to 5.5.

References Cited (Backward Citations)

US1875401A Cited
US2636823A Cited
US2766176A Cited
US3536586A Cited
US3667968A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-02-18 1977-08-20 1978-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-18 1981-08-20 1982-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-18 1985-08-20 1986-02-19 $7700.00 Window Closed / Lapsed

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