US3096252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing l-glutamic acid
Assignee: Ajinomoto Co Inc
•
Filing: 1961-04-19
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Granted: 1963-07-02
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Expires: 1981-04-19
Abstract
No abstract record available.
Inventors
- 👤 Motozaki Shinichi
- 👤 Tsunoda Toshinao
- 👤 Okumura Shinji
- 👤 Tsugawa Ryuichiro
- 👤 Matsui Toshinori
- 👤 Kitai Atsuo
- 👤 Miyachi Noboru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:07
CPC Classifications
C; C12; C12P; C12P13/00; C12P13/04; C12P13/14; C12P13/18; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A PROCESS FOR PRODUCING L-GLUTAMIC ACID WHICH COMPRISES CULTURING L-GLUTAMIC ACID PRODUCING BACTERIA BELONGING TO THE GENUS BREVIBACTERIUM UNDER AEOBIC CONDITIONS IN A CULTURE MEDIUM CONTAINING CARBOHYDRATES, NITROGEN SOURCES, AMINO ACIDS, AND INORGANIC SALTS TO PRODUCE AND ACCUMULATE L-GLUTAMIC ACID IN SAID MEDIUM, THE IMPROVEMENT COMPRISING CULTURING THE SAID BACTERIA UNDER AEROBIC CONDITIONS IN SAID MEDIUM IN THE PRESENCE OF AT LEAST ONE MEMBER SELECTED FFROM THE GROUP CONSISTING OF DESTHIOBIOTIN, BIOTIN-D-SULFOXIDE AND BIOCYTIN, AND RECOVERNG L-GLUTAMIC ACID THUS FORMED.
Claim 2
Dependent Claim
81 words
IN A PROCESS FOR PRODUCING L-GLUTAMIC ACID WHICH COMPRISES CULTURING L-GLUTAMIC ACID PRODUCING BACTERIA BELONGING TO THE GENUS BREVIBACTERIUM UNDER AEOBIC CONDITIONS IN A CULTURE MEDIUM CONTAINING CARBOHYDRATES, NITROGEN SOURCES, AMINO ACIDS, AND INORGANIC SALTS TO PRODUCE AND ACCUMULATE L-GLUTAMIC ACID IN SAID MEDIUM, THE IMPROVEMENT COMPRISING CULTURING THE SAID BACTERIA UNDER AEROBIC CONDITIONS IN SAID MEDIUM IN THE PRESENCE OF AT LEAST ONE MEMBER SELECTED FFROM THE GROUP CONSISTING OF DESTHIOBIOTIN, BIOTIN-D-SULFOXIDE AND BIOCYTIN, AND RECOVERNG L-GLUTAMIC ACID THUS FORMED.
References Cited (Backward Citations)
US3002889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |