US3169094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing intravenously injectable fat emulsions free from side reactions or complications
Assignee: Vitrum AB
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Filing: 1961-08-22
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Granted: 1965-02-09
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Arvid Johannes Wretlind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:39
CPC Classifications
A; A23; A23D; A23D7/00; A23D7/01; A23D7/011; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0029; C; C09; C09K; C09K23/00; C09K23/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
AN INTRAVENOUSLY INJECTABLE FAT EMULSION FREE OF UNDESIRABLE SIDE EFFECTS COMPRISING AN AQUEOUS MIXTURE OF (A) SOYBEAN OIL WHICH HAS BEEN PRODUCED BY EXTRACTION WITH ORGANIC SOLVENTS UNDER CONDITIONS TO AVOID OXIDATION AT A TEMPERATURE NOT EXCEEDING 100*C. AND (B) EGG PHOSPHATIDES WHICH HAVE BEEN PRODUCED BY SUCCESSIVE EXTRACTION WITH ALCOHOL AND ACETONE AND THEREAFTER PURIFIED BY TREATMENT WITH PETROLEUM ETHER UNDER CONDITIONS TO AVOID OXIDATION THEREOF, SAID EMULSION HAVING A PARTICLE SIZE OF LESS THAN ABOUT FOUR MICRONS.
References Cited (Backward Citations)
GB828312A
Cited
US2945869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |