US3619368A
Expired / Lapsed
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Preparation of a cellular material rich in protein
Assignee: Stamicarbon BV
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Filing: 1969-10-31
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Granted: 1971-11-09
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Expires: 1989-10-31
Abstract
Abstract A process of preparing protein by cultivating protein-rich Eumycetes, wherein a mixture of aliphatic mono- and dicarboxylic acids with fewer than 8 carbon atoms is used as a carbon source in a culture medium with a pH between 5.5 and 8.
Inventors
- 👤 Jan W Woldendorp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:13
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/14; C12N1/16; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/921; Y10S435/923; Y10S435/924
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
42 words
Process according to claim 1, characterized in that the carbon source used is the mixture of mono- and dicarboxylic acids that is obtained in the wash water becoming available in the washing of the crude final product of the preparation of cyclohexanone.
Claim 2
Dependent Claim
18 words
Process according to claim 1, characterized in that the micro-organism used is a strain of the genus Candida.
Claim 3
Dependent Claim
29 words
Process according to claim 3, characterized in that use is made of a straIn belonging to one of the species Candida lipolytica, Candida brumptii, Candida tropicalis and Candida utilis.
Claim 4
Dependent Claim
25 words
Process according to claim 1, characterized in that the micro-organism used is a strain belonging to one of the species Trichosporon cutaneum and Oospora lactis.
Claim 5
Dependent Claim
52 words
Process according to claim 1, characterized in that the process is carried out as a continuous process and in that per gram of carbon contained in the mono- and dicarboxylic carbon source 1 to 10 milligrams of carbon in the form of an available carbon source is added to the culture medium.
Claim 6
Dependent Claim
23 words
Process according to claim 1, characterized in that during the cultivation of the micro-organism the temperature is maintained between 25 and 37* C.
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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |