US3590124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood transfusion fluids having reduced turbulent friction properties
Assignee: United States Department of the Navy
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Filing: 1967-06-27
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Granted: 1971-06-29
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Expires: 1987-06-27
Abstract
Abstract TO A BLOOD TRANSFUSION FLUID, SUCH AS BLOOD PLASMA, BLOOD VOLUME EXTENDER, BLOOD SUBSITUTE, OR THE LIKE, IS ADDED SMALL CONCENTRATIONS OF SOLUBLE HIGH-POLYMER MATERIAL CHARACTERIZED BY A GENERALLY LINEAR, LONG CHAIN MOLECULAR STRUCTURE AND A MOLECULAR WEIGHT IN EXCESS OF 100,000. THE CONCENTRATION OF POLYMER IS IN THE RANGE OF 5-100 PARTS PER MILLION BY WEIGHT (W.P.P.M.)
Inventors
- 👤 Jack W Hoyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:53
CPC Classifications
A; A61; A61M; A61M60/00; A61K; A61K31/00; A61K31/74; A61K31/765
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |