US2945869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphatide emulsifying agent and process of preparing same
Assignee: Pharmacia and Upjohn Co
•
Filing: 1956-04-30
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Granted: 1960-07-19
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Curtis E Meyer
- 👤 James A Fancher
- 👤 Paul E Schurr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:39
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0029; A23; A23J; A23J7/00; A61K36/00; A61K36/18; A61K36/185; A61K36/48; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE PROCESS OF PREPARING A SOYA PHOSPHATIDE FRACTION WHICH IS WELL-SUITED FOR USE AS AN EMULSIFIER IN AN INTRAVENOUS FAT PRODUCT, WHICH PROCESS COMPRISES (1) CONTACTING ONE PART BY WEIGHT OF THE MONATOMIC, LOWER MOLECULAR WEIGHT ALIPHATIC ALCOHOL-DISSOLVED SOYA PHOSPHATIDES WITH ABOUT TWO PARTS BY WEIGHT OF AN ADSORBENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM OXIDE, MAGNESIUM OXIDE AND ACTIVATED CARBON, (2) REMOVING THE SOLIDS, AND (3) RECOVERING THE DESIRED SOYA PHOSPHATIDE FRACTION FROM THE SOLVENT.
Claim 2
Dependent Claim
77 words
THE PROCESS OF PREPARING A SOYA PHOSPHATIDE FRACTION WHICH IS WELL-SUITED FOR USE AS AN EMULSIFIER IN AN INTRAVENOUS FAT PRODUCT, WHICH PROCESS COMPRISES (1) CONTACTING ONE PART BY WEIGHT OF THE MONATOMIC, LOWER MOLECULAR WEIGHT ALIPHATIC ALCOHOL-DISSOLVED SOYA PHOSPHATIDES WITH ABOUT TWO PARTS BY WEIGHT OF AN ADSORBENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM OXIDE, MAGNESIUM OXIDE AND ACTIVATED CARBON, (2) REMOVING THE SOLIDS, AND (3) RECOVERING THE DESIRED SOYA PHOSPHATIDE FRACTION FROM THE SOLVENT.
References Cited (Backward Citations)
CA496521A
Cited
US1667767A
Cited
US1776720A
Cited
US2154432A
Cited
US2245537A
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US2269772A
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US2728706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |