US3143475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vitamin-containing gelatin beadlets and the process of preparing them
Assignee: F Hoffmann La Roche AG
•
Filing: 1961-01-23
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Granted: 1964-08-04
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Koff Arnold
- 👤 Widmer Peter Fredrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:08
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/045; A61K31/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS COMPRISING THE STEPS OF (1) FORMING AN AQUEOUS EMULSION CONTAINING, DISPERSED THEREIN, A FAT-SOLUBLE VITAMIN-ACTIVE MATERIAL AND GELATIN; (2) FORMING DISCRETE DROPLETS OF SAID EMULSION ENTIRELY ABOVE THE SURFACE OF A VEGETABLE OIL; (3) ALLOWING SAID DROPLETS TO FALL THROUGH AN INERT ATMOSPHERE INTO SAID VEGETABLE OIL WHICH IS MAINTAINED AT A TEMPERATURE OF FROM ABOUT 15* TO ABOUT 25*C.; (4) COOLING THE VEGETABLE OIL CONTAINING THE DROPLETS TO A TEMPERATURE OF ABOUT 0* TO ABOUT 15*C.; AND (5) DEHYDRATING THE GELATIN BEADLETS FORMED THEREBY WITH A LOWER ALKANOL.
Claim 2
Dependent Claim
91 words
A PROCESS COMPRISING THE STEPS OF (1) FORMING AN AQUEOUS EMULSION CONTAINING, DISPERSED THEREIN, A FAT-SOLUBLE VITAMIN-ACTIVE MATERIAL AND GELATIN; (2) FORMING DISCRETE DROPLETS OF SAID EMULSION ENTIRELY ABOVE THE SURFACE OF A VEGETABLE OIL; (3) ALLOWING SAID DROPLETS TO FALL THROUGH AN INERT ATMOSPHERE INTO SAID VEGETABLE OIL WHICH IS MAINTAINED AT A TEMPERATURE OF FROM ABOUT 15* TO ABOUT 25*C.; (4) COOLING THE VEGETABLE OIL CONTAINING THE DROPLETS TO A TEMPERATURE OF ABOUT 0* TO ABOUT 15*C.; AND (5) DEHYDRATING THE GELATIN BEADLETS FORMED THEREBY WITH A LOWER ALKANOL.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US2980587A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |