US3729470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-(3,5-dimethoxy)aminoacetanilides
Assignee: Cephalon France SAS
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Filing: 1970-05-28
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Granted: 1973-04-24
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Expires: 1990-05-28
Abstract
Abstract THE INVENTION PROVIDES NEW PHLORAMINE DERIVATIVES OF THE FORMULA (3-(R1-O-),5-(R2-O-)PHENYL)-NH-CO-CH2-N<(-) IN WHICH R1 AND R2 ARE EACH HYDROGEN OR LOWER ALKYL, AND -N<(-) IS AN AMINOALIPHATIC OR HETEROCYCLIC RADICAL, AND THEIR SALTS WHICH ARE USEFUL AS ANTISPASMODICS.
Inventors
- 👤 M Vaille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:08
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/14; C07D295/145; C07D295/15; A; A61; A61K; A61K31/00; A61K31/16; A61K31/165; A61K31/185; A61K31/19; A61K31/195; A61K31/33; A61K31/395; A61K31/535; A61P; A61P1/00; A61P1/16; A61P25/00; A61P25/20; C07C; C07C233/00; C07C233/01; C07C233/16; C07C237/00; C07D295/10; C07D295/12
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |