US2628930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous emulsions of lipoid-soluble vitamins
Assignee: F Hoffmann La Roche AG
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Filing: 1951-05-17
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Granted: 1953-02-17
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Expires: 1971-05-17
Abstract
No abstract record available.
Inventors
- 👤 Zentner Margaret Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:16
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/10; A61K9/107; A61K9/1075; A61K31/00; A61K31/59; A23; A23L; A23L33/00; A23L33/10; A23L33/15; A61K31/33; A61K31/335; A61K31/35; A61K31/352; A61K31/353; A61K31/355; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K8/00; A61K8/18; A61K8/30; A61K8/67; A61K8/676; A61K9/48; A61K9/4841; A61K9/4858; A23V; A23V2002/00; A23V2200/00; A23V2200/20; A23V2200/222; A23V2250/00; A23V2250/70; A23V2250/712; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
AN AQUEOUS EMULSION CONTAINING A LIPOIDSOLUBLE VITAMIN-ACTIVE MATERIAL AND AS CO-EMULSIFIERS THEREFOR, GELATIN, ASCORBYL PALMITATE, AND A HIGHER FATTY ACID MONOESTER OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF GLYCEROL AND PROPYLENE GLYCOL.
Claim 2
Dependent Claim
34 words
AN AQUEOUS EMULSION CONTAINING A LIPOIDSOLUBLE VITAMIN-ACTIVE MATERIAL AND AS CO-EMULSIFIERS THEREFOR, GELATIN, ASCORBYL PALMITATE, AND A HIGHER FATTY ACID MONOESTER OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF GLYCEROL AND PROPYLENE GLYCOL.
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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |