Patent US1835636A successfully refreshed from Google Patents.
US3754085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphonic acid anti-fibrinolytic agents
Assignee: Merck and Co Inc
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Filing: 1971-07-19
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Granted: 1973-08-21
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Expires: 1991-07-19
Abstract
Abstract NOVEL SUBSTITUTED OR UNSUBSTITUTED BENZENE AND CYCLOHEXANE PHOSPHONIC ACIDS. THE PHOSPHONIC ACIDS DISCLOSED HEREIN ARE POTENT ANTI FIBRINOLGTIC AGENTS. ALSO INCLUDED HEREIN ARE PHARMACEUTICAL COMPOSITIONS CONTAINING SAID PHOSPHONIC ACID COMPOUNDS AS AN ACTIVE INGREDIENT AND METHODS OF TREATING FIBRINOLYTIC STATES IN PATIENTS BY ADMINSTERING SAID COMPOUNDS. FURTHER ENCOMPASSED IS A SUBSTITUTED BENZENE PHOSPHONIC ACID KNOWN TO THE ART HAVING NOVEL ANTI-FIBRINOLYTIC ACTIVITY.
Inventors
- 👤 B Christensen
- 👤 W Leanza
- 👤 L Sarett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:44
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3834
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) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |