US3735005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing a viable platelet concentrate
Assignee: Alza Corp
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Filing: 1970-08-19
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Granted: 1973-05-22
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Expires: 1990-08-19
Abstract
Abstract A METHOD FOR THE PREPARATION OF A VIABLE PLATELET CONCENTRATE WHILE SIMULTANEOUSLY PRESERVING THE PLATELET''S FUNCTION AND INTEGRITY BY ADDING TO PLASMA-CONTAINING PLATELETS, A PLATELET-PRESERVING PROSTAGLANDIN AND SEPARATING THE PLATELETS FROM THE PLASMA TO GIVE A VIABLE PLATELET CONCENTRATE. THE PRESERVING PROSTAGLANDIN IS USED ALONE OR IN INTIMATE COMBINATION WITH OTHER PLATELET PRESERVING AGENTS.
Inventors
- 👤 H Shio
- 👤 P Ramwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:33
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/557
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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |