US3759788A
Expired / Lapsed
US
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Reducing blood clotting with anti thrombogenic materials containing quaternary phosphonium salts
Assignee: Baxter International Inc
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Filing: 1969-12-08
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Granted: 1973-09-18
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Expires: 1989-12-08
Abstract
Abstract REDUCED BLOOD CLOTTING IS FOUND UPON THE UTLIZATION OF ANTITHROMBOGENIC MATERIALS WHICH COMPRISE AN ORGANGIC PLASTIC HAVING DISPERSED ON ITS SURFACE, IN A PHARMACOIOGICALLY ACCEPTABLE CONCENTRATION, A QUATERNARY PHOSPHONIUM SALT OF A STRONG ACID WHICH IS GENERALLY INSOLUBLE IN SALINE SOLUTION.
Inventors
- 👤 H Gajewski
- 👤 C Gdowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:25
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/50; A; A61; A61L; A61L33/00; A61L33/0005; A61L33/0011; A61L33/0017; Y; Y10; Y10S; Y10S128/00; Y10S128/22
Claims Analysis
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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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |