US2940900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry vitamine e composition
Assignee: Eastman Kodak Co
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Filing: 1957-09-25
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Granted: 1960-06-14
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Expires: 1977-09-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Benton
- 👤 Lawrence A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:38
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/35; A61K31/352; A61K31/353; A61K31/355
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
THE PROCESS FOR PREPARING A DRY, FREE-FLOWING PARTICULATE COMPOSITION HAVING SUBSTANTIALLY VITAMIN E ACTIVITY WHICH COMPRISES PROVIDING A MIXTURE COMPRISED OF 35-60% BY WEIGHT OF WATER, 10-60% BY WEIGHT OF GUM ACACIA, 0-25% BY WEIGHT OF SUGAR, AND 2-40% BY WEIGHT OF AN OLEAGINOUS CONCENTRATE OF VITAMIN E-ACTIVE MATERIAL, EMULSIFYING SAID MIXTURE TO PRODUCE AN EMULSION HAVING SAID OLEAGINOUS CONCENTRATE SUBSTANTIALLY UNIFORMLY DISPERSED THEREIN IN MINUTE GLOBULES, SUBSTANTIALLY ALL OF SAID GLOBULES BEING LESS THAN 2 MICRONS IN DIAMETER, SPREADING SAID EMULSION IN A LAYER SUBSTANTIALLY .01-.05 INCH IN THICKNESS ON THE EVAPORATING SURFACE OF A DRUM DRYER, REMOVING SUBSTANTIALLY ALL OF THE WATER FROM THE SAID EMULSION LAYER ON SAID EVAPORATING SURFACE AT CORRELATED TIME AND TEMPERATURE CONDITIONS OF 3-60 SECONDS AND AT 240-350*F. TO PRODUCE A SUBSTANTIALLY DRY, POROUS, FRANGIBLE SHEET, REMOVING THE RESULTING DRIED COMPOSITION FROM SAID EVAPORATING SURFACE, AND THEREAFTER COMMINUTING THE SAID REMOVED DRIED COMPOSITION, THE PROPORTIONS OF THE COMPONENTS COMPRISING THE SAID AQUEOUS EMULSION BEING CORRELATED SO THAT SAID DRIED COMPOSITION IS COMPRISED OF 40-95% BY WEIGHT OF GUM ACACIA PLUS SUGAR, WITH AT LEAST 30% BY WEIGHT OF SAID DRIED COMPOSITION BEING GUM ACACIA.
Claim 2
Dependent Claim
191 words
THE PROCESS FOR PREPARING A DRY, FREE-FLOWING PARTICULATE COMPOSITION HAVING SUBSTANTIALLY VITAMIN E ACTIVITY WHICH COMPRISES PROVIDING A MIXTURE COMPRISED OF 35-60% BY WEIGHT OF WATER, 10-60% BY WEIGHT OF GUM ACACIA, 0-25% BY WEIGHT OF SUGAR, AND 2-40% BY WEIGHT OF AN OLEAGINOUS CONCENTRATE OF VITAMIN E-ACTIVE MATERIAL, EMULSIFYING SAID MIXTURE TO PRODUCE AN EMULSION HAVING SAID OLEAGINOUS CONCENTRATE SUBSTANTIALLY UNIFORMLY DISPERSED THEREIN IN MINUTE GLOBULES, SUBSTANTIALLY ALL OF SAID GLOBULES BEING LESS THAN 2 MICRONS IN DIAMETER, SPREADING SAID EMULSION IN A LAYER SUBSTANTIALLY .01-.05 INCH IN THICKNESS ON THE EVAPORATING SURFACE OF A DRUM DRYER, REMOVING SUBSTANTIALLY ALL OF THE WATER FROM THE SAID EMULSION LAYER ON SAID EVAPORATING SURFACE AT CORRELATED TIME AND TEMPERATURE CONDITIONS OF 3-60 SECONDS AND AT 240-350*F. TO PRODUCE A SUBSTANTIALLY DRY, POROUS, FRANGIBLE SHEET, REMOVING THE RESULTING DRIED COMPOSITION FROM SAID EVAPORATING SURFACE, AND THEREAFTER COMMINUTING THE SAID REMOVED DRIED COMPOSITION, THE PROPORTIONS OF THE COMPONENTS COMPRISING THE SAID AQUEOUS EMULSION BEING CORRELATED SO THAT SAID DRIED COMPOSITION IS COMPRISED OF 40-95% BY WEIGHT OF GUM ACACIA PLUS SUGAR, WITH AT LEAST 30% BY WEIGHT OF SAID DRIED COMPOSITION BEING GUM ACACIA.
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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |