US3700685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitroimidazole derivatives
Assignee: Merck and Co Inc
•
Filing: 1970-05-15
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Granted: 1972-10-24
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Expires: 1990-05-15
Abstract
Abstract 5-Nitroimidazoles substituted with 2-lower-alkylene sulfides and the corresponding sulfoxides and sulfones are disclosed, as well as their preparation from the 2-(haloloweralkyl)-5nitroimidazoles and a salt of a mercaptan. Compositions containing these compounds as the active ingredient for treatment of bacterial and prolozaal infections are also disclosed.
Inventors
- 👤 Dale R Hoff
- 👤 Clarence S Rooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:25
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/91; C07D233/92; C07D233/94
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
10 words
A compound of Claim 1 which is p-chlorophenyl-(1-methyl-5-nitroimidazole-2-yl) methyl sulfide.
Claim 2
Dependent Claim
10 words
A compound of Claim 1 which is p-chlorophenyl-(1-methyl-5-nitroimidazole-2-yl) methyl sulfoxide.
Claim 3
Dependent Claim
10 words
A compound of Claim 1 which is p-chlorophenyl-(1-methyl-5-nitroimidazole-2-yl) methyl sulfone.
References Cited (Backward Citations)
CA739982A
Cited
US3390150A
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US3290328A
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US3341548A
Cited
US3376311A
Cited
US3435049A
Cited
US3459763A
Cited
US3438992A
Cited
US3444175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |