US4255582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(-)-α-{2-[Bis(1-methylethyl)amino]ethyl}-.alpha.-phenyl-2-pyridineacetamide and pharmacologically acceptable salts thereof
Assignee: GD Searle LLC
•
Filing: 1979-02-02
•
Granted: 1981-03-10
•
Expires: 1999-02-02
Abstract
Abstract Preparation of antiarrhythmic (-)-α-{2-[bis(1-methylethyl)amino]ethyl}-α-phenyl-2-pyridineacetamide and pharmacologically acceptable salts thereof characterized by advantageously diminished and/or favorably altered side-effects such as anticholinergic activity is disclosed.
Inventors
- 👤 Paul B. Sollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:59
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/54; C07D213/56; A; A61; A61P; A61P9/00; A61P9/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
(-)-α-{2-[Bis(1-methylethyl)amino]ethyl}-α-phenyl-2-pyridineacetamide and pharmacologically acceptable salts thereof.
Claim 2
Dependent Claim
6 words
(-)-α-{2-[Bis(1-methylethyl)amino]ethyl}-α-phenyl-2-pyridineacetamide and pharmacologically acceptable salts thereof.
Claim 3
Dependent Claim
14 words
A compound according to claim 1 which is a pharmacologically acceptable salt of (-)-α-{2-[bis(1-methylethyl)amino]ethyl}-α-phenyl-2-pyridineacetamide.
Claim 4
Dependent Claim
14 words
A compound according to claim 1 which is the phosphoric acid salt of (-)-α-{2-[bis(1-methylethyl)amino]-ethyl}-α-phenyl-2-pyridineacetamide.
References Cited (Backward Citations)
US3225054A
Cited
US3985370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-09 | 1984-09-08 | 1985-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-09 | 1988-09-08 | 1989-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-09 | 1992-09-08 | 1993-03-10 | $7700.00 | Window Closed / Lapsed |