US3856626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fermentation process for the simultaneous production of protein and bio polymers
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1972-06-09
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Granted: 1974-12-24
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Expires: 1992-06-09
Abstract
Abstract Fermentation process for the simultaneous production of protein cells and biopolymers in a single fermentation zone is provided by cultivating selected microorganisms on a suitable substrate in an aqueous aerobic fermentation broth.
Inventors
- 👤 A Clamen
- 👤 B Dasinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:17
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/32; C12P; C12P1/00; C12P1/04; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/8215; Y10S435/822; Y10S435/824; Y10S435/829
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
69 words
A PROCESS FOR SIMULTANEOUSLY PRODUCING BIO-POLYMER AND BACTERIA CELLS IN A SINGLE FERMENTATION ZONE COMPRISING CONTINUOUSLY CULTIVATING A MICROORGANISM SELECTED FROM THE GROUP CONSISTING OF ARCHOMOBACTER SP. ATCC 21575, ATCC NO. 21576, ATCC NO. 21578, ALCALIGENTS FAECALIS ATCC NO. 21577 ON AN OXYGENATED HYDROCARBON FEED IN A MEDIA COMPRISING AN AQUEOUS GROWTH MEDIUM CONTAINING OXYGEN AND OTHER ESSENTIAL CELL NUTRIENTS AT TEMPERATURES RANGING FROM ABOUT 20* TO ABOUT 65*C.
Claim 2
Dependent Claim
69 words
A PROCESS FOR SIMULTANEOUSLY PRODUCING BIO-POLYMER AND BACTERIA CELLS IN A SINGLE FERMENTATION ZONE COMPRISING CONTINUOUSLY CULTIVATING A MICROORGANISM SELECTED FROM THE GROUP CONSISTING OF ARCHOMOBACTER SP. ATCC 21575, ATCC NO. 21576, ATCC NO. 21578, ALCALIGENTS FAECALIS ATCC NO. 21577 ON AN OXYGENATED HYDROCARBON FEED IN A MEDIA COMPRISING AN AQUEOUS GROWTH MEDIUM CONTAINING OXYGEN AND OTHER ESSENTIAL CELL NUTRIENTS AT TEMPERATURES RANGING FROM ABOUT 20* TO ABOUT 65*C.
Claim 3
Dependent Claim
15 words
A process according to claim 1 wherein a microorganism is Alcaligenes faecalis ATCC No. 21577.
Claim 4
Dependent Claim
21 words
A process according to claim 1 wherein a microorganism is Acromobacter sp ATCC No. 21575, ATCC No. 21576, ATCC No. 21578.
Claim 5
Dependent Claim
27 words
A process according to claim 1 wherein a protein and bio-polymer are transferred to a separation zone and therein treated to separate the protein from the bio-polymer.
Claim 6
Dependent Claim
13 words
A process according to claim 1 wherein the oxygenated hydrocarbon feed is ethanol.
Claim 7
Dependent Claim
109 words
A process for the production of bacterial cells and biopolymers in a single stage reactor comprising: innoculating a stirred single stage reactor containing a sterile media comprising an aqueous growth medium containing oxygen and other essential cell nutrients at temperatures ranging from about 20 *to 65*C. with a microorganism selected from the group consisting of Achromobacter sp. ATCC No. 21575, ATCC No. 21576, ATCC No. 21578, and Alcaligenes faecalis, ATCC No. 21577; thereafter continuously supplying an oxygenated hydrocarbon and said sterile media to said single stage reactor whereby biopolymers are simultaneously produced with bacterial cells; and, continuously removing a mixture of biopolymer, bacteria, aqueous medium and unconverted oxygenated hydrocarbons.
Claim 8
Dependent Claim
109 words
A process for the production of bacterial cells and biopolymers in a single stage reactor comprising: innoculating a stirred single stage reactor containing a sterile media comprising an aqueous growth medium containing oxygen and other essential cell nutrients at temperatures ranging from about 20 *to 65*C. with a microorganism selected from the group consisting of Achromobacter sp. ATCC No. 21575, ATCC No. 21576, ATCC No. 21578, and Alcaligenes faecalis, ATCC No. 21577; thereafter continuously supplying an oxygenated hydrocarbon and said sterile media to said single stage reactor whereby biopolymers are simultaneously produced with bacterial cells; and, continuously removing a mixture of biopolymer, bacteria, aqueous medium and unconverted oxygenated hydrocarbons.
Claim 9
Dependent Claim
12 words
The process according to claim 6 wherein the oxygenated hydrocarbon is ethanol.
Claim 10
Dependent Claim
15 words
The process of claim 6 wherein the temperature ranges from about 25*C. to about 45*C.
Claim 11
Dependent Claim
30 words
The process of claim 6 wherein the mixture removed from the stirred reactor is transferred to a separation zone and therein treated to separate the bacterial cells from the biopolymer.
References Cited (Backward Citations)
US3328262A
Cited
US3674642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |