US3778441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iodoethynyl pyridine compounds
Assignee: Novartis Corp
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Filing: 1972-02-24
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Granted: 1973-12-11
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Expires: 1992-02-24
Abstract
Abstract IODOETHYNYL COMPOUNDS OF THE FORMULA R-C$C-I IN WHICH R DENOTES AN AROMATIC SIX-MEMBERED RING CONTAINING 1,2 OR 3 NITROGEN ATOMS, AND WHICH MAY HAVE A FUSED BENZENE RING, THE RING SYSTEM BEING UNSUBSTITUTED OR SUBSTITUTED BY ONE OR MORE RADICALS, WHICH MAY BE THE SAME OR DIFFERENT, SELECTED FROM LOWER ALKYL, LOWER ALKOXY, LOWER ALKYLTHIO, TRIFLUOROMETHYL AND AMINO GROUPS AND HALOGEN ATOMS AND THEIR ACID ADDITION SALTS HAVE USEFUL ANTIMICROBIAL ACTIVITIES; COMPOSITIONS CONTAINING SUCH COMPOUNDS AND METHODS FOR PROTECTING AGAINST MICROBIAL ATTACK ARE PROVIDED; AN ILLUSTRATIVE EMBODIMENT IS 2-METHOXY-4-IODOETHYNYLPRYIMIDINE.
Inventors
- 👤 U Burckhardt
- 👤 M Zimmermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:55
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0812; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4926; A61Q; A61Q17/00; A61Q17/005; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/26; C07D215/00; C07D215/02; C07D215/12; C07D215/16; C07D215/18; C07D215/20; C07D215/24; C07D215/26; C07D215/36; C07D215/38; C07D215/40; C07D239/00; C07D239/02; C07D239/20; C07D239/22; C07D239/24; C07D239/28; C07D239/32; C07D239/34
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |