US3778381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorocarbon microemulsions
Assignee: Honeywell International Inc
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Filing: 1972-04-24
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Granted: 1973-12-11
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Expires: 1992-04-24
Abstract
Abstract MICROEMULSIONS OF LIQUID FLUORINATED ORGANIC COMPOUNDS HAVING MORE THAN 4 CARBON ATOMS ARE PREPARED BY (1) ADMIXING THE FLUORINATED COMPOUND WITH A LOW BOILING FLUOROHALOCARBON WHICH IS EITHER MISCIBLE WITH OR A SOLVENT FOR THE FLUORINATED COMPOUND, (2) ADDING THIS MIXTURE TO AN AQUEOUS SYSTEM CONTAINING A SURFACTANT WHILE STIRRING UNTIL A MICROEMULSION IS FORMED AND (3) REMOVING THE FLUOROHALOCARBON BY EVAPORATION. THE MICROEMULSION SO PRODUCED ARE HIGHLY STABLE AND ARE CAPABLE OF ABSORBING A LARGE AMOUNT OF OXYGEN AND CARBON DIOXIDE. AS SUCH THEY ARE USEFUL IN THE PRESERVATION OF ANIMAL ORGANS.
Inventors
- 👤 H Rosano
- 👤 W Gerbacia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:06
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0026; A61K31/00; A61K31/02; C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/123; D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/06; D21H17/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |