US3330737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing carotenoids and aminosydin
Assignee: Pfizer Italia SRL
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Filing: 1964-03-09
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Granted: 1967-07-11
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Marnati Maria Pia
- 👤 Spalla Celestino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:04
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/59; A23; A23K; A23K20/00; A23K20/10; A23K20/174; A23K20/179; A23K50/00; A23K50/30; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR THE PREPARATION OF CARTOENOIDS AND AMINOSYDIN, WHICH COMPRISES FERMENTING STREPTOMYCES CHRESTOMYCETICUS VAR. AURANTIOIDEUS IN SUBMERGED CULTURE AND UNDER AEROBIC CONDITIONS IN AN AQUEOUS NUTRITIVE MEDIUM CONTAINING A SOURCE OF CARBON, NITROGEN AND MINERAL SALTS, AND SEPARATING THE MYCELIUM, CONTAINING CAROTENOIDS, FROM THE FERMENTATION BROTH, CONTAINING AMINOSYDIN, BY FILTRATION AND CENTRIFUGING.
Claim 2
Dependent Claim
53 words
A PROCESS FOR THE PREPARATION OF CARTOENOIDS AND AMINOSYDIN, WHICH COMPRISES FERMENTING STREPTOMYCES CHRESTOMYCETICUS VAR. AURANTIOIDEUS IN SUBMERGED CULTURE AND UNDER AEROBIC CONDITIONS IN AN AQUEOUS NUTRITIVE MEDIUM CONTAINING A SOURCE OF CARBON, NITROGEN AND MINERAL SALTS, AND SEPARATING THE MYCELIUM, CONTAINING CAROTENOIDS, FROM THE FERMENTATION BROTH, CONTAINING AMINOSYDIN, BY FILTRATION AND CENTRIFUGING.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |