Patent US3657341A successfully refreshed from Google Patents.
US3657341A
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Acetyl glycine amides
Assignee: Beecham Group PLC
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Filing: 1969-05-21
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Granted: 1972-04-18
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Expires: 1989-05-21
Abstract
Abstract SUBSTITUTED ACETYL GLYCINE AMIDES, THEIR PREPARATION AND FORMULATION FOR USE AS ANALEPTICS AND ANTICONVULSANTS WITH TRANQUILIZING, SEDATIVE AND HYPNOTIC PROPERTIES OF LOW TOXICITY AT HIGH DOSAGES ARE DESCRIBED. REPRESENTATIVE COMPOUNDS ARE PHENYL ACETYL GLYCINE DIMETHYLAMIDE, THE HALOPHENYL AND PHENOXY ANALOGS AND OTHER LOWER ALKYL OR CYCLIC AMIDES.
Inventors
- 👤 David E Thorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:32
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/325; C07C; C07C243/00; C07C243/24; C07C243/26; C07C243/34; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/10; C07D211/16; C07D211/36; C07D211/40; C07D211/42; C07D211/44; C07D211/52; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D231/14; C07D231/18; C07D231/20; C07D233/00; C07D233/54; C07D233/56; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D249/00; C07D249/02; C07D249/08; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/52
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |