US3386889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neomycin fermentation media and process
Assignee: Unilever Bestfoods North America
•
Filing: 1964-06-12
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Granted: 1968-06-04
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Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Moses William
- 👤 Frederick A Censullo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:42
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/22; C07H15/222; C07H15/226; C07H15/228; C07H15/232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR THE PRODUCTION OF NEOMYCIN WHICH COMPRISES CULTIVATING A NEOMYCIN PRODUCING MICROORGANISM IN A NUTRIENT FERMENTATION MEDIUM COMPRISING ESSENTIALLY A NITROGEN SOURCE, SALTS AND AT LEAST 7% OF STARCH AS THE SOURCE OF CARBOHYDRATE, SAID STARCH HAVING BEEN MODIFIED BY THE ACTION OF AN ALPHA-AMYLASE, SAID ALPHAAMYLASE BEING PRESENT IN SAID FERMENTATION MEDIUM IN A CONCENTRATION OF AT LEAST ABOUT 0.01% BY WEIGHT OF THE STARCH IN SAID MEDIUM.
Claim 2
Dependent Claim
71 words
A PROCESS FOR THE PRODUCTION OF NEOMYCIN WHICH COMPRISES CULTIVATING A NEOMYCIN PRODUCING MICROORGANISM IN A NUTRIENT FERMENTATION MEDIUM COMPRISING ESSENTIALLY A NITROGEN SOURCE, SALTS AND AT LEAST 7% OF STARCH AS THE SOURCE OF CARBOHYDRATE, SAID STARCH HAVING BEEN MODIFIED BY THE ACTION OF AN ALPHA-AMYLASE, SAID ALPHAAMYLASE BEING PRESENT IN SAID FERMENTATION MEDIUM IN A CONCENTRATION OF AT LEAST ABOUT 0.01% BY WEIGHT OF THE STARCH IN SAID MEDIUM.
References Cited (Backward Citations)
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Cited
US2431004A
Cited
US2609330A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |