Patent US1839217A successfully refreshed from Google Patents.
Patent US3686190A successfully refreshed from Google Patents.
US3686190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-pyridinethioacetamides
Assignee: EN NOM COLLECTIF SCIENCE UNION
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Filing: 1970-08-07
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Granted: 1972-08-22
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Expires: 1990-08-07
Abstract
Abstract ETHANE THIOAMIDES DISUBSTITUTED IN 2-POSITION BY HET AND R, HET BEING 2 - PYRIDYL, 2- AND 4-PYRIMIDYL, 2PYRAZINYL, 2- AND 4- THIAZOLYL, WHICH ARE OPTIONALLY SUBSTITUTED, AND R BEING LOWER-ALKYL HAVING UP TO SIX CARBON ATOMS INCLUSIVE WHEN HET IS 2-PYRIDYL, AND WHEN HET IS OTHER THAN 2-PYRIDYL, R IS THEN, LOWER-ALKYL HAVING UP TO SIX CARBON ATOMS INCLUSIVE, HYDROGEN, PHENYL, HALOPHENYL, LOWER ALKYL-PHENYL OR LOWER-ALKYLOXY PHENYL. THESE COMPOUNDS POSSES ANTISECRETARY AND ULCEROPROTECTOR PROPERTIES.
Inventors
- 👤 Charles Malen
- 👤 Bernard Danree
- 👤 Xavier Poscaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:09
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/54; C07D213/59
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) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |