US4427773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing L-glutamic acid by fermentation
Assignee: Ajinomoto Co Inc
•
Filing: 1981-04-17
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Granted: 1984-01-24
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Expires: 2001-04-17
Abstract
Abstract An L-glutamic acid producing microorganism which is constructed by incorporation into a recipient strain of the genus Brevibacterium or Corynebacterium of a hybrid plasmid having inserted therein a DNA fragment with genetic information related to L-glutamic acid production which is derived from a donor strain of the genus Brevibacterium or Corynebacterium, is useful for the production of high levels of L-glutamic acid by fermentation.
Inventors
- 👤 Takayasu Tsuchida
- 👤 Kiyoshi Miwa
- 👤 Shigeru Nakamori
- 👤 Haruo Momose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:26
CPC Classifications
C; C12; C12N; C12N15/00; C12N15/09; C12N15/11; C12N15/52; C12N1/00; C12N1/20; C12N1/205; C12N15/63; C12N15/74; C12N15/77; C12P; C12P13/00; C12P13/04; C12P13/14; C12R; C12R2001/00; C12R2001/01; C12R2001/13; C12R2001/15; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/84; Y10S435/843
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
11 words
The L-glutamic acid producing transformant which is Brevibacterium lactofermentum NRRL B-12408.
Claim 2
Dependent Claim
11 words
The L-glutamic acid producing transformant which is Brevibacterium lactofermentum NRRL B-12408.
Claim 3
Dependent Claim
11 words
The L-glutamic acid producing transformant which is Brevibacterium lactofermentum NRRL B-12409.
Claim 4
Dependent Claim
11 words
The L-glutamic acid producing transformant which is Brevibacterium lactofermentum NRRL B-12409.
Claim 5
Dependent Claim
11 words
The L-glutamic acid producing transformant which is Corynebacterium glutamicum NRRL B-12413.
Claim 6
Dependent Claim
11 words
The L-glutamic acid producing transformant which is Corynebacterium glutamicum NRRL B-12413.
Claim 7
Dependent Claim
11 words
The L-glutamic acid producing transformant which is Corynebacterium glutamicum NRRL B-12414.
Claim 8
Dependent Claim
11 words
The L-glutamic acid producing transformant which is Corynebacterium glutamicum NRRL B-12414.
Claim 9
Independent Claim
53 words
A method for producing L-glutamic acid which comprises: (a) culturing in a culture medium an L-glutamic acid producing microorganism selected from the group consisting of Brevibacterium lactofermentum NRRL B-12409, Brevibacterium lactofermentum NRRL B-12408, Corynebacterium glutamicum NRRL B-12413, and Corynebacterium glutamicum NRRL B-12414 and (b) recovering the L-glutamic acid accumulated in the culture medium.
Claim 10
Independent Claim
53 words
A method for producing L-glutamic acid which comprises: (a) culturing in a culture medium an L-glutamic acid producing microorganism selected from the group consisting of Brevibacterium lactofermentum NRRL B-12409, Brevibacterium lactofermentum NRRL B-12408, Corynebacterium glutamicum NRRL B-12413, and Corynebacterium glutamicum NRRL B-12414 and (b) recovering the L-glutamic acid accumulated in the culture medium.
Claim 11
Dependent Claim
13 words
The method of claim 5, wherein said microorganism is Brevibacterium lactofermentum NRRL B-12408.
Claim 12
Dependent Claim
13 words
The method of claim 5, wherein said microorganism is Brevibacterium lactofermentum NRRL B-12409.
Claim 13
Dependent Claim
13 words
The method of claim 5, wherein said microorganism is Corynebacterium glutamicum NRRL B-12413.
Claim 14
Dependent Claim
13 words
The method of claim 5, wherein said microorganism is Corynebacterium glutamicum NRRL B-12414.
References Cited (Backward Citations)
US4278765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-23 | 1987-07-25 | 1988-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-23 | 1991-07-25 | 1992-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-23 | 1995-07-25 | 1996-01-24 | $7700.00 | Window Closed / Lapsed |