Patent US2874058A successfully refreshed from Google Patents.
US2874058A
Expired / Lapsed
US
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Carotenoid preparations
Assignee: F Hoffmann La Roche AG
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Filing: 1956-09-27
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Granted: 1959-02-17
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Expires: 1976-09-27
Abstract
No abstract record available.
Inventors
- 👤 Klaui Heinrich
- 👤 Moor Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:21
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/43; A23L5/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A CONCENTRATED CAROTENOID COMPOSITION COMPRISING A SOLID SOLUTION CONTAINING AT LEAST ABOUT 15 PERCENT BY WEIGHT OF A CAROTENOID IN CETYLIC ALCHOL.
Claim 2
Dependent Claim
22 words
A CONCENTRATED CAROTENOID COMPOSITION COMPRISING A SOLID SOLUTION CONTAINING AT LEAST ABOUT 15 PERCENT BY WEIGHT OF A CAROTENOID IN CETYLIC ALCHOL.
References Cited (Backward Citations)
US1371450A
Cited
US2546748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |