Patent US3752826A successfully refreshed from Google Patents.
US3752826A
Expired / Lapsed
US
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Aroyl substituted pyrroles
Assignee: Janssen Pharmaceuticals Inc
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Filing: 1970-01-26
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Granted: 1973-08-14
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Expires: 1990-01-26
Abstract
Abstract THE COMPOUNDS ARE OF THE CLASS OF 5-AROYL-PYRROLE ALKANOIC ACIDS AND CORRESPONDING ACID DERIVATIVES THEREOF USEFUL AS ANTI-INFLAMMATORY AGENTS AND AS SYNTHETIC INTEMEDIATES.
Inventors
- 👤 J Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:41
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/33; C07D207/337; A; A61; A61P; A61P29/00; C07C; C07C45/00; C07C45/61; C07C45/63; C07C65/00; C07C65/21; C07D207/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE718594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |