US3258408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing xanthosine
Assignee: Ajinomoto Co Inc
•
Filing: 1963-06-27
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Granted: 1966-06-28
•
Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 Okumura Shinji
- 👤 Shiro Teruo
- 👤 Yamanoi Akio
- 👤 Konishi Shimpachi
- 👤 Tamagawa Yoshio
- 👤 Takahashi Masahiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:19
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/26; C12P19/28; C12P19/38; C12P19/40; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/832; Y10S435/837; Y10S435/839; Y10S435/848; Y10S435/849; Y10S435/874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A METHOD OF PRODUCING ZANTHOSINE, WHICH COMPRISES AEROBICALLY CULTURING AN AUXOTROPHIC MUTANT OF A MICROORGANISM SELECTED FROM THE GROUP CONSISTING OF BACILLUS SUBTILIS, ESCHERICHIA COLI, BACILLUS MEGATERIUM, AND PSEUDOMONAS PERLURIDA, SAID MUTANT BEING OF A STRAIN SELECTED FROM THE GROUP CONSISTING OF STRAINS HAVING RESPECTIVE ATCC NUMBER 15039, 15040, 15041, 15042, 15043, 15044, 15045, 15046, 15047, AND 15048 ON AN AQUEOUS CULTURE MEDIUM INCLUDING A SOURCE OF ASSIMILABLE CARBON, A SOURCE OF ASSIMILIBLE NITROGEN, AND A SOURCE ON AT LEAST ONE GROWTH PROMOTING AGENT SELECTED FROM THE GROUP CONSISTING OF GUANINE AND ADENINE, UNTIL XANTHOSINE IS ACCUMULATED IN SAID MEDIUM, AND RECOVERING SAID XANTHOSINE.
Claim 2
Independent Claim
104 words
A METHOD OF PRODUCING ZANTHOSINE, WHICH COMPRISES AEROBICALLY CULTURING AN AUXOTROPHIC MUTANT OF A MICROORGANISM SELECTED FROM THE GROUP CONSISTING OF BACILLUS SUBTILIS, ESCHERICHIA COLI, BACILLUS MEGATERIUM, AND PSEUDOMONAS PERLURIDA, SAID MUTANT BEING OF A STRAIN SELECTED FROM THE GROUP CONSISTING OF STRAINS HAVING RESPECTIVE ATCC NUMBER 15039, 15040, 15041, 15042, 15043, 15044, 15045, 15046, 15047, AND 15048 ON AN AQUEOUS CULTURE MEDIUM INCLUDING A SOURCE OF ASSIMILABLE CARBON, A SOURCE OF ASSIMILIBLE NITROGEN, AND A SOURCE ON AT LEAST ONE GROWTH PROMOTING AGENT SELECTED FROM THE GROUP CONSISTING OF GUANINE AND ADENINE, UNTIL XANTHOSINE IS ACCUMULATED IN SAID MEDIUM, AND RECOVERING SAID XANTHOSINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |