Pyrazolidone derivatives
Abstract
Abstract 1-PHENYL,2-PHENYL,4-R,4-(CH3-CH2-CH2-CH2-),3,5-DI(O=) PYRAZOLIDINE DIPHENYLPYRAZOLIDONE DERIVATIVES, SUBSTITUTED ON THE 4POSITION AND HAVING THE FORMULA WHEREIN Z IS A COMPOUND OF THE GROUP SELECTED FROM ALIGN, GUM GUUAR, PECTIN, PSYLLIUM, DEXTRAN AND POLYVINYLPYRROLIDONE AND THE METHODS FOR THE PREPARATION OF THE AFORESAID COMPOUNDS. THE COMPOUNDS ARE USEFUL IN ACHIEVING AN ANTI-INFLAMMATORY EFFECT. PYRAZOLIDINE 1-PHENYL,2-PHENYL,4-(CH3-CH2-CH2-CH2-),4,5-(-Z-O-),3-(O=) WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF GLYCOSES OF FROM 3 THROUGH 6 CARBONS IN CHAIN LENGTH, POLYOXYETHYLENE HAVING A MOLECULAR WEIGHT OF FROM 200 THROUGH 2000 AND AN IONIC EXCHANGE RESIN WHICH IS A POLYMERIC CONDENSATION PRODUCT OF A PHENOL, FORMALDEHYDE AND AN ALKYLENE POLYAMINE WHICH ARE KNOWN IN THE TRADE AS AMBERLITE RESINS, AND HYDROGEN BONDED COMPOUNDS OF THE STRUCTURE:
Inventors
- 👤 G Necrevergne
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |