Patent US3320239A successfully refreshed from Google Patents.
US3320239A
Expired / Lapsed
US
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Certain 2, 3-bis(substituted amino)-5-aryl-3h-1, 4-benzodiazepine-4-oxide compounds and their preparation
Assignee: F Hoffmann La Roche AG
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Filing: 1965-03-22
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Granted: 1967-05-16
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Stempel Arthur
- 👤 Sternbach Leo Henryk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:46
CPC Classifications
C; C07; C07D; C07D243/00; C07D243/06; C07D243/10; C07D243/14; C07D243/16; C07D243/18; C07D243/20; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/55; H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
Claim 3
Dependent Claim
10 words
A PROCESS WHICH COMPRISES REACTING A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
10 words
A PROCESS WHICH COMPRISES REACTING A COMPOUND OF THE FORMULA
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |