US2980587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry stable vitamin a and/or d-preparation and methods of producing same
Assignee: US Philips Corp
•
Filing: 1956-03-20
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Granted: 1961-04-18
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Expires: 1976-03-20
Abstract
No abstract record available.
Inventors
- 👤 Ham Evert Jan Ten
- 👤 Kring Peder Lund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:17
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A DRY, FREE FLOWING, MINERAL STABLE VITAMIN PREPARATION COMPRISING AT LEAST ONE VITAMIN SELECTED FROM THE GROUP CONSISTING OF VITAMINS A AND D, A JELLIFIABLE, FILM FORMING COLLOID, A CARBOHYDRATE AND, AS A STABILIZER, 4-METHYL 2,6-DITERTIARYBUTYLPHENOL, IN AN AMOUNT OF AT LEAST ABOUT 2 GRAMS PER 100 S.U. OF VITAMIN PRESENT.
Claim 2
Dependent Claim
51 words
A DRY, FREE FLOWING, MINERAL STABLE VITAMIN PREPARATION COMPRISING AT LEAST ONE VITAMIN SELECTED FROM THE GROUP CONSISTING OF VITAMINS A AND D, A JELLIFIABLE, FILM FORMING COLLOID, A CARBOHYDRATE AND, AS A STABILIZER, 4-METHYL 2,6-DITERTIARYBUTYLPHENOL, IN AN AMOUNT OF AT LEAST ABOUT 2 GRAMS PER 100 S.U. OF VITAMIN PRESENT.
References Cited (Backward Citations)
US2218591A
Cited
US2183053A
Cited
US2218592A
Cited
US2650895A
Cited
US2676136A
Cited
US2693435A
Cited
US2756177A
Cited
US2708628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |