US2650895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray dried vitamin a and d emulsion
Assignee: Mead Johnson and Co LLC
•
Filing: 1947-02-24
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Granted: 1953-09-01
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Expires: 1967-02-24
Abstract
No abstract record available.
Inventors
- 👤 Wallenmeyer John Clarence
- 👤 Mcdonald Francis Guy
- 👤 Henry Robert Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:04
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/045; A61K31/07; A23; A23K; A23K20/00; A23L; A23L33/00; A23L33/10; A23L33/15; A61K9/00; A61K9/10; A61K9/107; C; C09; C09B; C09B67/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE PROCESS OF MAKING A VITAMIN PREPARATION IN THE FORM OF A POWDER CONTAINING A DISPERSION OF FAT SOLUBLE VITAMINS COMPRISING THE STEPS OF PREPARING AN EMULSION IN WHICH DROPLETS OF VITAMIN A AND D CONCENTRATE DISSOLVED IN A FATTY CARRIER ARE DISPERSED IN AN AQUEOUS SOLUTION OF AN EDIBLE SUBSTANCE CONSISTING ESSENTIALLY OF DEXTRIMS, SUGARS, AND AN EDIBLE VEGARABLE GUM, AND SPRAY DRYING SAID EMULSION TO FORM A BODY OF DISCRETE PARTICLES IN WHICH THE FINELY DISPERSED PORTIONS OF SAID FATTY CARRIER ARE SUBSTANTIALLY ENCAPSULATED BY SAID EDIBLE SUBSTANCE.
Claim 2
Dependent Claim
90 words
THE PROCESS OF MAKING A VITAMIN PREPARATION IN THE FORM OF A POWDER CONTAINING A DISPERSION OF FAT SOLUBLE VITAMINS COMPRISING THE STEPS OF PREPARING AN EMULSION IN WHICH DROPLETS OF VITAMIN A AND D CONCENTRATE DISSOLVED IN A FATTY CARRIER ARE DISPERSED IN AN AQUEOUS SOLUTION OF AN EDIBLE SUBSTANCE CONSISTING ESSENTIALLY OF DEXTRIMS, SUGARS, AND AN EDIBLE VEGARABLE GUM, AND SPRAY DRYING SAID EMULSION TO FORM A BODY OF DISCRETE PARTICLES IN WHICH THE FINELY DISPERSED PORTIONS OF SAID FATTY CARRIER ARE SUBSTANTIALLY ENCAPSULATED BY SAID EDIBLE SUBSTANCE.
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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) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |