US3705100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood fractionating process and apparatus for carrying out same
Assignee: Amicon Corp
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Filing: 1970-08-25
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Granted: 1972-12-05
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Expires: 1990-08-25
Abstract
Abstract A PROCESS FOR SEPARATING BLOOD PLASMA FROM WHOLE BLOOD THAT DISPENSES WITH THE KNOWN CENTRIFUGAL-SEPARATION TECHNIQUES AND INVOLVES PASSING WHOLE BLOOD ALONG A FLOW PATH WHICH IS SHALLOW AND SUBSTANTIALLY PARALLEL TO THE UPSTREAM SIDE OF FILTRATION MEMBRANE, RECOVERING PLASMA FROM THE DOWNSTREAM SIDE OF SAID MEMBRANE, AND RECOVERING THE RETAINED BLOOD COMPONENTS (FORMED ELEMENTS) FROM THE UPSTREAM SIDE OF THE MEMBRANE.
Inventors
- 👤 William F Blatt
- 👤 Edward A Agranat
- 👤 Peter N Rigopulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:28
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/14; B01D61/145; A; A61; A61M; A61M1/00; A61M1/34; A61M1/3496; A61M1/36; A61M1/3601; A61M1/3603; A61M1/3616; B01D61/18; B01D63/00; B01D63/08; B01D63/087; A61M2206/00; A61M2206/10; A61M2206/12
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |