US2974044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microbiological production of carotenoids
Assignee: F Hoffmann La Roche AG
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Filing: 1958-11-12
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Granted: 1961-03-07
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Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 Farrow Wendall Moore
- 👤 Tabenkin Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
C; C12; C12P; C12P23/00; A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/46; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR THE PRODUCTION OF CAROTENOIDS WHICH COMPRISES CULTURING A FUNGUS OF THE FAMILY DACRYMYCETACEAE IN SUBMERGED CULTURE IN AN AQUEOUS MEDIUM CONTAINING A SOURCE OF ASSIMILABLE ORGANIC NITROGEN, A SOURCE OF AMMONIA NITROGEN, A METABOLIZABLE SOURCE OF CARBON, A METABOLIZABLE SOURCE OF PHOSPHORUS AND ESSENTIAL TRACE MINERALS WHILE MAINTAINING THE CULTURE UNDER CONDITIONS OF AERATION AND AGITATION, AND SUBJECTING THE FUNGAL MATERIAL TO RADIATION IN THE VISIBLE SPECTRUM.
Claim 2
Dependent Claim
70 words
A PROCESS FOR THE PRODUCTION OF CAROTENOIDS WHICH COMPRISES CULTURING A FUNGUS OF THE FAMILY DACRYMYCETACEAE IN SUBMERGED CULTURE IN AN AQUEOUS MEDIUM CONTAINING A SOURCE OF ASSIMILABLE ORGANIC NITROGEN, A SOURCE OF AMMONIA NITROGEN, A METABOLIZABLE SOURCE OF CARBON, A METABOLIZABLE SOURCE OF PHOSPHORUS AND ESSENTIAL TRACE MINERALS WHILE MAINTAINING THE CULTURE UNDER CONDITIONS OF AERATION AND AGITATION, AND SUBJECTING THE FUNGAL MATERIAL TO RADIATION IN THE VISIBLE SPECTRUM.
References Cited (Backward Citations)
US2865814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |