Patent US3100770A successfully refreshed from Google Patents.
US3100770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-pyridyl-1,4-benzodiazepine compounds
Assignee: F Hoffmann La Roche AG
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Filing: 1961-08-11
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Granted: 1963-08-13
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Expires: 1981-08-11
Abstract
No abstract record available.
Inventors
- 👤 Fryer Rodney Ian
- 👤 Schmidt Robert August
- 👤 Sternbach Leo Henryk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:49
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/33; C07D207/335; A; A61; A61K; A61K31/00; C07D207/04; C07D207/08; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/44; C07D213/46; C07D213/50; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/46; C07D307/52; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 7-R4-5PYRIDYL-1-R1-3-R3-3H-1,4 - BENZODIAZEPIN - 2 (IH)ONE, MEDICINALLY ACCEPTABLE ACID-ADDITION SALTS THEREOF, 7R4-5-PYRIDYL-1-R1-3-R3-3H-1,4-BENZODIAZEPIN-2(IH) -ONE 4-OXIDE, AND MEDICINALLY ACCEPTABLE ACID-ADDITION SALTS THEREOF, WHEREIN R1, R2 AND R3 ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL; AND R4 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, AND NITRO. 4. 7-BROMO-5-(4-PYRIDYL)-3H-1,4-BENZODIAZEPIN - 2(IH)ONE.
Claim 2
Dependent Claim
61 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 7-R4-5PYRIDYL-1-R1-3-R3-3H-1,4 - BENZODIAZEPIN - 2 (IH)ONE, MEDICINALLY ACCEPTABLE ACID-ADDITION SALTS THEREOF, 7R4-5-PYRIDYL-1-R1-3-R3-3H-1,4-BENZODIAZEPIN-2(IH) -ONE 4-OXIDE, AND MEDICINALLY ACCEPTABLE ACID-ADDITION SALTS THEREOF, WHEREIN R1, R2 AND R3 ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL; AND R4 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, AND NITRO. 4. 7-BROMO-5-(4-PYRIDYL)-3H-1,4-BENZODIAZEPIN - 2(IH)ONE.
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |