US3384545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injectable aqueous emulsions of fat soluble vitamins
Assignee: F Hoffmann La Roche AG
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Filing: 1965-03-09
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Granted: 1968-05-21
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 Aiello Ronald Eugene
- 👤 Bauernfeind Jacob Christopher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16; A61K31/59; A61K31/592; A61K31/593
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN AQUEOUS EMULSION COMPRISING (A) UP TO ABOUT 12% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF VITAMIN A PALMITATE, VITAMIN D AND VITAMIN E AND MIXTURES THEREOF, (B) FROM ABOUT 8% TO ABOUT 25% BY WEIGHT OF APOLYOXYETHYLENE ETHER OF CASTOR OIL CONTAINING ABOUT 20 TO 40 MOLES OF ETHYLENE OXIDE PER MOLE OF CASTOR OIL, (C) FROM ABOUT 4% TO ABOUT 44% BY WEIGHT OF PLYCERIN AND (D) FORM ABOUT 15E TO ABOUT 85% BY WEIGHT OF WATER, THE QUANTITY OF SAID COMPONENT (B) WHICH IS PRESENT IN SAID EMULSION NOT EXCEEDING ABOUT THREE TIMES THE WEIGHT OF SAID COMPONENT (A).
Claim 2
Dependent Claim
106 words
AN AQUEOUS EMULSION COMPRISING (A) UP TO ABOUT 12% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF VITAMIN A PALMITATE, VITAMIN D AND VITAMIN E AND MIXTURES THEREOF, (B) FROM ABOUT 8% TO ABOUT 25% BY WEIGHT OF APOLYOXYETHYLENE ETHER OF CASTOR OIL CONTAINING ABOUT 20 TO 40 MOLES OF ETHYLENE OXIDE PER MOLE OF CASTOR OIL, (C) FROM ABOUT 4% TO ABOUT 44% BY WEIGHT OF PLYCERIN AND (D) FORM ABOUT 15E TO ABOUT 85% BY WEIGHT OF WATER, THE QUANTITY OF SAID COMPONENT (B) WHICH IS PRESENT IN SAID EMULSION NOT EXCEEDING ABOUT THREE TIMES THE WEIGHT OF SAID COMPONENT (A).
References Cited (Backward Citations)
CA499831A
Cited
GB710817A
Cited
GB706607A
Cited
GB712505A
Cited
US2907696A
Cited
US3070499A
Cited
US3244595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |