Patent US3557152A successfully refreshed from Google Patents.
US3557152A
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5-(2-bromomethyl or chloromethyl-2-bromo or chloro alkanoyl) benzofuran-2-carboxylic acids
Assignee: Novartis Corp
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Filing: 1968-07-22
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Granted: 1971-01-19
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Expires: 1988-07-22
Abstract
Abstract 5 - (2 - BROMO-2-BROMOMETHYL-ALKANOYL)-BENZOFUNAN2-CARBOXYLIC ACIDS AND THEIR PHARMACEUTAICALLY ACCEPTABLE SALTS WITH BASES HAVE DIURETIC AND SALURETIC ACTIVITIES. A TYPICAL EMBODIMENT IS 5-(2-BROMO-2-BROMOMETHYL-BUTYRYL) - 6 - METHYL-BENZOFURAN-2-CARBOXYLIC ACID. A METHOD OF PRODUCING A DIURETIC AND SIMULTANEOUSLY A SALURETIC EFFECT COMPRISING ADMINISTERING SAID COMPOUNDS TO WARMBLOODED ANIMALS AS WELL AS PHARMACEUTICAL COMPOSITION CONTAINING SAID COMPOUNDS ARE PROVIDED.
Inventors
- 👤 Janos Zergenyi
- 👤 Ernst Habicht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:07
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/50; C07D333/52; C07D333/62; C07D333/68; C07D333/70; A; A61; A61K; A61K31/00; C07C; C07C309/00; C07C45/00; C07C45/008; C07C45/61; C07C45/67; C07C45/673; C07D209/00; C07D209/02; C07D209/04; C07D209/30; C07D209/42; C07D307/00; C07D307/77; C07D307/78; C07D307/82; C07D307/84; C07D307/85; C07D311/00; C07D311/02; C07D311/04; C07D311/06; C07D311/08; C07D311/16
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |