US3110598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making a carotenoid preparation
Assignee: F Hoffmann La Roche AG
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Filing: 1960-08-29
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Granted: 1963-11-12
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Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Muller Paul
- 👤 Tamm Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:34
CPC Classifications
C; C07; C07C; C07C403/00; C07C403/24; A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/43; A23L5/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR MAKING A PREPARATION CONTAINING A CAROTENOID IN FINELY DIVIDED FORM WHICH COMPRISES THE STEPS OF: (1) EMULSIFYING (A) A SOLUTION OF A CAROTENOID, WHEREIN THE MENSTRUUM IS COMPRISED AT LEAST PREDOMINANTLY OF A VOLATILE, WATER-INSOLUBLE CAROATENOID SOLVENT, IN (B) AN AQUEOUS SOLUTION CONTAINING A SWELLABLE COLLOID; AND (2) REMOVING SAID VOLATILE, WATER-INSOLUBLE CAROTENOID SOLVENT FROM THE EMULSION.
Claim 2
Dependent Claim
60 words
A PROCESS FOR MAKING A PREPARATION CONTAINING A CAROTENOID IN FINELY DIVIDED FORM WHICH COMPRISES THE STEPS OF: (1) EMULSIFYING (A) A SOLUTION OF A CAROTENOID, WHEREIN THE MENSTRUUM IS COMPRISED AT LEAST PREDOMINANTLY OF A VOLATILE, WATER-INSOLUBLE CAROATENOID SOLVENT, IN (B) AN AQUEOUS SOLUTION CONTAINING A SWELLABLE COLLOID; AND (2) REMOVING SAID VOLATILE, WATER-INSOLUBLE CAROTENOID SOLVENT FROM THE EMULSION.
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |