US3290328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-hydroxymethyl-5-nitroimidazoles and process
Assignee: Merck and Co Inc
•
Filing: 1965-11-09
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Granted: 1966-12-06
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Expires: 1985-11-09
Abstract
No abstract record available.
Inventors
- 👤 Kollonitsch Janos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:42
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/91; C07D233/92; C07D233/94
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
52 words
THE PROCESS FOR PREPARING A 5-NITROIMIDAZOLE OF THE FORMULA FFIG-01 WHERE R IS SELECTED FROM THE CLASS CONSISTING OF LOWER ALKYL AND -(CH2)NOX, WHEREIN N HAS A VALUE OF 1-3 AND X REPRESENTS A MEMBER OF THE CLASS CONSISTING OF HYDROGEN AND LOWER ALKANOYL, THAT COMPRISES TREATING A 5-NITROIMIDAZOLE OF THE FORMULA
Claim 2
Dependent Claim
52 words
THE PROCESS FOR PREPARING A 5-NITROIMIDAZOLE OF THE FORMULA FFIG-01 WHERE R IS SELECTED FROM THE CLASS CONSISTING OF LOWER ALKYL AND -(CH2)NOX, WHEREIN N HAS A VALUE OF 1-3 AND X REPRESENTS A MEMBER OF THE CLASS CONSISTING OF HYDROGEN AND LOWER ALKANOYL, THAT COMPRISES TREATING A 5-NITROIMIDAZOLE OF THE FORMULA
Claim 3
Dependent Claim
22 words
A COMPOUND HAVING THE FORMULA FFIG-03 WHERE N IS 1-3 AND X IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND LOWERALKYANOYL.
Claim 4
Dependent Claim
22 words
A COMPOUND HAVING THE FORMULA FFIG-03 WHERE N IS 1-3 AND X IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND LOWERALKYANOYL.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |