US3579523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anilides of quinuclidine-2- and quinuclidine-3-carboxylic acid
Assignee: AstraZeneca AB
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Filing: 1968-05-17
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Granted: 1971-05-18
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Expires: 1988-05-17
Abstract
Abstract A PROCESS FOR PREPARING ANILIDES OF QUINUCLIDINE-2-AND QUINUCLIDINE-3-CARBOXYLIC ACID, THEIR THERAPEUTICALLY ACCEPTABLE SALTS, AND PHARMACEUTICAL PREPARATIONS IS DISCLOSED AS WELL AS ANILIDE COMPOUNDS OF THE FORMULA: ((R1,R2-PHENYL)-NH-CO-)QUINUCLIDINE WHEREIN R1 AND R2 MAY BE THE SAME OR DIFFERENT AND REPRESENT HYDROGEN, HALOGEN, OR ALKYL HAVING AT MOST THREE CARBON ATOMS. ANTIARRHYTHMIC AND LOCAL ANESTHETIC EFFECTS OF THE DISCLOSED COMPOUNDS ARE SHOWN.
Inventors
- 👤 Rune Verner Sandberg
- 👤 Berndt Olof Harald Sjoberg
- 👤 Claes Philip Tegner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:06
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/70; C; C07; C07D; C07D453/00; C07D453/02
Claims Analysis
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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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |