US2978384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of 1-glutamic acid
Assignee: Individual
•
Filing: 1959-11-24
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Granted: 1961-04-04
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Expires: 1979-11-24
Abstract
No abstract record available.
Inventors
- 👤 Yamada Koichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:30
CPC Classifications
C; C12; C12P; C12P13/00; C12P13/04; C12P13/14; Y; Y10; Y10S; Y10S435/00; Y10S435/803; Y10S435/8215; Y10S435/822; Y10S435/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR THE PRODUCTION OF 1-GLUTAMIC ACID WHICH COMPRISES CULTIVATING BREVSIBACTERIUM DIVARICATUM NRRL B-2312 IN AN AQUEOUS NUTIRENT MEDIUM CONTAINING AN ASSIMILABLE CARBOHYDRATE SOURCE AND AN ASSIMILABLE NITROGEN SOURCE AT A TEMPERATURE RANGING FROM ABOUT 10 TO ABOUT 37*C. AND AT A PH RANGING FROM ABOUT 6 TO ABOUT 9 UNDER SUBMERGED AEROBIC CONDITIONS UNTIL SUBSTANTIAL 1-GLUTAMIC ACID CONTENT IS IMPARTED TO SAID MEDIUM.
Claim 2
Dependent Claim
65 words
A PROCESS FOR THE PRODUCTION OF 1-GLUTAMIC ACID WHICH COMPRISES CULTIVATING BREVSIBACTERIUM DIVARICATUM NRRL B-2312 IN AN AQUEOUS NUTIRENT MEDIUM CONTAINING AN ASSIMILABLE CARBOHYDRATE SOURCE AND AN ASSIMILABLE NITROGEN SOURCE AT A TEMPERATURE RANGING FROM ABOUT 10 TO ABOUT 37*C. AND AT A PH RANGING FROM ABOUT 6 TO ABOUT 9 UNDER SUBMERGED AEROBIC CONDITIONS UNTIL SUBSTANTIAL 1-GLUTAMIC ACID CONTENT IS IMPARTED TO SAID MEDIUM.
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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |