Patent US3829422A successfully refreshed from Google Patents.
US3829422A
Expired / Lapsed
US
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1,4-substituted-pyrimidin-2(1h)-ones
Assignee: Sandoz AG
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Filing: 1972-01-27
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Granted: 1974-08-13
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Expires: 1992-01-27
Abstract
Abstract COMPOUNDS OF THE CLASS OF 1-SUBSTITUTED-4-ARYL-PYRIMIDIN-2(IH)-ONES, METHODS AND INTERMEDIATES FOR PREPARATION OF SAID COMPOUNDS, AND PHARMACEUTICAL METHODS AND COMPOSITIONS BASED ON SAID COMPOUNDS AND USEFUL IN THERAPY, FOR EXAMPLE, IN THE TREATMENT OF INFLAMMATION IN ANIMALS.
Inventors
- 👤 G Hardtmann
- 👤 H Ott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:57
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/20; C07D239/22; C07C; C07C49/00; C07C49/92; C07D239/24; C07D239/28; C07D239/32; C07D239/34; C07D239/36; C07D239/42
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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |