US3737383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for production of enzyme alkaline dextranase
Assignee: Toyo Jozo KK
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Filing: 1971-02-22
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Granted: 1973-06-05
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Expires: 1991-02-22
Abstract
Abstract A PROCESS FOR THE PRODUCTION OF ENZYME ALKALINE DEXTRANSESE, IN WHICH A MICROORGANISM OF BREVIBACTERIUM FUSCU, VAR, DEXTRANLYTICUM IS CULTIVATED IN A CULTURE MEDIUM CONTAINING A SOURCE OF ASSIMILABLE CARBON AND NITROGEN, AND THE ENZYME PRODUCED IS THEN SEPARATED FROM THE CULTURED MEDIUM. THE ENZYME ALKALINE DEXTRANASE THUS PRODUCED IS CHARACTERIZED BY GOOD STABILITY AND ACTIVITY, A NEW MICROORGANISM IS USEFUL IN THIS PROCESS, NAMELY, BREVIBACTERIUM FUSCUM VAR. DEXTRANLYTICUM NRRL B3852 OF THE NORTHERN UTILIZATION RESEARCH AND DEVELOPMENT DIVISION OF THE U.S. DEPARTMENT OF AGRICULTURE.
Inventors
- 👤 J Abe
- 👤 T Watanabe
- 👤 T Yamaguchi
- 👤 S Gocho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:07
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2405; C12N9/2451; C12N9/2454; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/815; Y10S435/816; Y10S435/8215; Y10S435/822; Y10S435/84
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |