US3585647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antithrombogenic article and process
Assignee: Baxter International Inc
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Filing: 1968-04-25
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Granted: 1971-06-22
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Expires: 1988-04-25
Abstract
Abstract A flexible article obtains an anticoagulating character enabling handling of, or contact with, blood by reason of securance of heparin tot he surface of the article through the medium of a thereto vulcanized surface cover fabricated from silicone resin with therein entrapped inorganic adsorbent for holding an anticoagulant for blood.
Inventors
- 👤 Henry M Gajewski
- 👤 Clarence Gdowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:20
CPC Classifications
A; A61; A61L; A61L33/00; A61L33/0005; A61L33/0011; A61L33/0017; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |