US3341548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitroimidazoles and their preparation
Assignee: F Hoffmann La Roche AG
•
Filing: 1964-04-29
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Granted: 1967-09-12
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Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 Hoffer Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:51
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/91; C07D233/92; C07D233/68; C07D233/94
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A MEMBER HAVING THER FORMULA
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A MEMBER HAVING THER FORMULA
Claim 3
Independent Claim
9 words
A METHOD OF PREPARING A COMPOUND OF THE FORMULA
Claim 4
Independent Claim
9 words
A METHOD OF PREPARING A COMPOUND OF THE FORMULA
Claim 5
Independent Claim
9 words
A METHOD OF PREPARING A COMPOUND OF THE FORMULA
Claim 6
Independent Claim
9 words
A METHOD OF PREPARING A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |