US2957867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 5-benzodiazepin-4-ones and process of producing same
Assignee: CIBA PHARM PROD Inc
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Filing: 1958-06-23
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Granted: 1960-10-25
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Werner Lincoln Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:30
CPC Classifications
C; C07; C07D; C07D243/00; C07D243/06; C07D243/10; C07D243/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A MEMBER OF THE GROUP CONSISTING OF 2-R1-3-R2-5TERTIARY AMINO-LOWER ALKYL-3,4-DIHYDRO-1,5-BENZODIAZEPIN4-ONES, IN WHICH EACH OF THE RADICALS R1 AND R2 STANDS FOR A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, LOWER ALKENYL, PHENYL, NAPHTHYL, AND PHENYL-LOWER ALKYL, AND TERTIARY AMINO REPRESENTS A MEMBER OF THE GROUP CONSISTING OF N,N-DI-LOWER ALKYL-AMINO, PYRROLIDINO, PIPERIDINO, HEXAMETHYLENEIMINO, MORPHOLINO, THIAMORPHOLINO AND 4-METHYL-PIPERAZINO, THERAPEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF AND LOWER ALKYL QUATERNARY AMMONIUM HALIDES, SULFATE AND SULFONATES THEREOF. 3. 2-PHENYL-5-N,N-DI-LOWER ALKYL-AMINO-LOWER ALKYL-3, 4-DIHYDRO-1,5-BENZODIAZEPIN-4-ONES.
Claim 2
Dependent Claim
79 words
A MEMBER OF THE GROUP CONSISTING OF 2-R1-3-R2-5TERTIARY AMINO-LOWER ALKYL-3,4-DIHYDRO-1,5-BENZODIAZEPIN4-ONES, IN WHICH EACH OF THE RADICALS R1 AND R2 STANDS FOR A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, LOWER ALKENYL, PHENYL, NAPHTHYL, AND PHENYL-LOWER ALKYL, AND TERTIARY AMINO REPRESENTS A MEMBER OF THE GROUP CONSISTING OF N,N-DI-LOWER ALKYL-AMINO, PYRROLIDINO, PIPERIDINO, HEXAMETHYLENEIMINO, MORPHOLINO, THIAMORPHOLINO AND 4-METHYL-PIPERAZINO, THERAPEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF AND LOWER ALKYL QUATERNARY AMMONIUM HALIDES, SULFATE AND SULFONATES THEREOF. 3. 2-PHENYL-5-N,N-DI-LOWER ALKYL-AMINO-LOWER ALKYL-3, 4-DIHYDRO-1,5-BENZODIAZEPIN-4-ONES.
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) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |