US3819633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(iso)quinolyl sulfonylureas having antidiabetic activity
Assignee: Pfizer Italia SRL
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Filing: 1971-03-22
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Granted: 1974-06-25
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Expires: 1991-03-22
Abstract
Abstract NEW ACKYLAMINO-ALKYL-BENENSULFONYL UREAS AND PROCESS FOR THEIR PREPARATION ARE DISCLOSED, FOR EXAMPLE N'' 4- BQUINOLINE - 2 - CARBOXAMIDO)ETHYL)BENZENSULPHONYL)-N''CYCLOHEXY UREA, N-(1-AZACYCLOHEPT--1-YL)-N''- 4- B-(QUINOLINE-2 -CARBOXAMIDO)ETHYL!BENZENSULPHONYL! UREA, N- 4 B - (ISOQUINOLINE - 3 - CARBOXAMIDO)ETHYL!BENZENESULPHOONYL!-N''-CYCLOHEXYL UREA, N- 4- B-(QUINOXALINE-2-CARBOXAMIDO)ETHYL!BENZESULPHONYL! - N'' - CYCLOHEXYL UREA, N-(1 - AZACYCLOHEPT - 1 - YL) - N'' - 4- B-(QUINOXALLINE-2CARBOXAMIDO)ETHYL!BENZENESUPHONYL! UREA. THESE COMPOUNDS ARE USEFUL FOR THEIR HYPOGLYCEMIC ACTIVITY.
Inventors
- 👤 V Ambrogi
- 👤 W Logemann
- 👤 R Tommasini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:28
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; C07D215/00; C07D215/02; C07D215/16; C07D215/48; C07D215/50; C07D215/52; C07D215/54; C07D215/56; C07D217/00; C07D217/22; C07D217/26; C07D241/00; C07D241/36; C07D241/38; C07D241/40; C07D241/44
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) | 1977-06-24 | 1977-12-24 | 1978-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-24 | 1981-12-24 | 1982-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-24 | 1985-12-24 | 1986-06-25 | $7700.00 | Window Closed / Lapsed |