US3719665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chondroitin sulphuric acid salts
Assignee: Societe dEtudes de Produits Chimiques SA
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Filing: 1971-08-23
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Granted: 1973-03-06
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Expires: 1991-08-23
Abstract
Abstract THIS INVENTION RELATES TO NEW SALTS OF CHONDROITIN SULPHURIC ACIDS, FORMS A AND C, WITH BETAINE AND PYRIDOXINE. THESE COMPOUNDS ARE USEFUL FOR THEIR THERAPEUTIC ACTIVIITY IN THE FIELD OF MYOCARDIAL INFARCTION AND AS ANTI-ATHEROMATIC AGENT. PROCESS FOR THE PREPARATION OF THE SAID COMPOUNDS IS INDICATED AND PHARMACOLOGICAL ACTIVITY IS DESCRIBED.
Inventors
- 👤 A Beaufour
- 👤 A Esanu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:14
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0063; C08B37/0069
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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |