US3004892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fat emulsion and process of producing same
Assignee: Don Baxter Inc
•
Filing: 1959-03-27
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Granted: 1961-10-17
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Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 John G Hainsworth
- 👤 Hershenson Harold
- 👤 William O Pool
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:54
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0029; A61K35/00; A61K35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A STABLE, STERILE, NONPYROGENIC, NONTOXIC FAT EMULSION FOR INTRAVENOUS INJECTION COMPRISING: 10 TO 35% W./V. OF A LOW-MELTING, NONTOXIC, VEBETABLE FAT AND A SOYBEAN PHOSPHATIDE FRACTION IN AN AMOUNT OF 6.7 TO 9.3% BY WEIGHT OF THE FAT, SAID PHOSPHATIDE FRACTION HAVING A CHLOLINE TO PHOSPHORUS MOLAR RATIO OF 0.65 TO 0.85, AN ETHANOLAMINE TO PHOSPHORUS MOLAR RATIO OF 0.14 TO 0.28 AND A SERINE TO PHOSPHORUS MOLAR RATIO OF NOT MORE THAN 0.026, AND BEING DERIVED FROM SOYBEAN PHOSPHATIDE HAVING A CHLORINE TO PHOSPHORUS MOLAR RATION OF 0.3 TO 0.6 BY EXTRACTING SAID PHOSPHATIDE WITH ALCOHOL TO FORM AN EXTRACT CONTAINING 25 TO 50% W./V. SOLIDS, COOLING THE EXTRACT TO A TEMPERATURE OF -10 TO 10*C., AND SEPARATING THE SUPERNATANT SOLUTION CONTAINING SAID PHOSPHATIDE FRACION.
Claim 2
Dependent Claim
126 words
A STABLE, STERILE, NONPYROGENIC, NONTOXIC FAT EMULSION FOR INTRAVENOUS INJECTION COMPRISING: 10 TO 35% W./V. OF A LOW-MELTING, NONTOXIC, VEBETABLE FAT AND A SOYBEAN PHOSPHATIDE FRACTION IN AN AMOUNT OF 6.7 TO 9.3% BY WEIGHT OF THE FAT, SAID PHOSPHATIDE FRACTION HAVING A CHLOLINE TO PHOSPHORUS MOLAR RATIO OF 0.65 TO 0.85, AN ETHANOLAMINE TO PHOSPHORUS MOLAR RATIO OF 0.14 TO 0.28 AND A SERINE TO PHOSPHORUS MOLAR RATIO OF NOT MORE THAN 0.026, AND BEING DERIVED FROM SOYBEAN PHOSPHATIDE HAVING A CHLORINE TO PHOSPHORUS MOLAR RATION OF 0.3 TO 0.6 BY EXTRACTING SAID PHOSPHATIDE WITH ALCOHOL TO FORM AN EXTRACT CONTAINING 25 TO 50% W./V. SOLIDS, COOLING THE EXTRACT TO A TEMPERATURE OF -10 TO 10*C., AND SEPARATING THE SUPERNATANT SOLUTION CONTAINING SAID PHOSPHATIDE FRACION.
References Cited (Backward Citations)
GB770426A
Cited
US2945869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |