US3074931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dibenzazepines
Assignee: —
•
Filing: —
•
Granted: 1963-01-22
•
Expires: 1980-01-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:22
CPC Classifications
C; C07; C07D; C07D223/00; C07D223/14; C07D223/18; C07D223/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
THE METHOD OF MAKING COMPOUNDS HAVING THE FOLLOWING FORMULA:
Claim 2
Independent Claim
9 words
THE METHOD OF MAKING COMPOUNDS HAVING THE FOLLOWING FORMULA:
Claim 3
Independent Claim
137 words
THE METHOD OF MAKING COMPOUNDS HAVING THE FOLLOWING FORMULA: 5-R5,R1,R2-5H-DIBENZ(B,F)AZEPINE IN WHICH R1 AND R2 ARE MEMBERS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, TRIFLUOROMETHYL, ALKYL AND ALKOXY; R5 IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF AMINOALKYLENE, MONOALKYLAMINOALKYLENE, DIALKYLAMINOALKYLENE PYRROLIDINYLALKYLENE, N-HYDROGENPIPERAZINYLALKYLENE, N-ALKYLPIPERAZINYLALKYLENE, N-HYDROXYALKYLENEPIPERAZINYALKYLENE, N - ALKANOYLOXALKYLENEPIPERAN-DIALKYLAMINOALKYLENEPIPERAZINYLALKYLENE, N - HYDROXYN-DIALKYLAMINOALKYLENEPIPERAZINYLALKYLENE, N - HYDROXYALKYLENEOXYALKYLENEPIPERAZINYLALKYLENE, N-ALKANOYLALKYLENEOXYALKYLENEPIPERAZINYLALKYLENE, N - BENZOYLOXYALKYLENEOXYALKYLENEPIPERAZINYLALKYLENE AND N- PHENYLALKYLPIPERAZINYLALKYLENE; EACH OF SAID ALKYLENE CHAINS HAVING 2 TO 6 CARBON ATOMS AND SEPARATING THE NITROGEN TO WHICH IT IS ATTACHED BY AT LEAST 2 CARBON ATOMS; AND EACH OF THE SAID ALKYL, ALKOXY AND ALKANOYL MOIETIES HAVING 1 TO 6 CARBON ATOMS; WHICH COMPRISES HEATING AN IMINODIBENZYL OF THE FOLLOWING FORMULA: 5-R5,R1,R2-10,11-DIHYDRO-5H-DIBENZ(B,F)AZEPINE IN THE PRESENCE OF A DEHYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF A SULFUR, SELENIUM, PALLADIUM, RUTHENIUM, IRIDIUM, RHODIUM AND OSMIUM CATALYST.
Claim 4
Independent Claim
137 words
THE METHOD OF MAKING COMPOUNDS HAVING THE FOLLOWING FORMULA: 5-R5,R1,R2-5H-DIBENZ(B,F)AZEPINE IN WHICH R1 AND R2 ARE MEMBERS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, TRIFLUOROMETHYL, ALKYL AND ALKOXY; R5 IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF AMINOALKYLENE, MONOALKYLAMINOALKYLENE, DIALKYLAMINOALKYLENE PYRROLIDINYLALKYLENE, N-HYDROGENPIPERAZINYLALKYLENE, N-ALKYLPIPERAZINYLALKYLENE, N-HYDROXYALKYLENEPIPERAZINYALKYLENE, N - ALKANOYLOXALKYLENEPIPERAN-DIALKYLAMINOALKYLENEPIPERAZINYLALKYLENE, N - HYDROXYN-DIALKYLAMINOALKYLENEPIPERAZINYLALKYLENE, N - HYDROXYALKYLENEOXYALKYLENEPIPERAZINYLALKYLENE, N-ALKANOYLALKYLENEOXYALKYLENEPIPERAZINYLALKYLENE, N - BENZOYLOXYALKYLENEOXYALKYLENEPIPERAZINYLALKYLENE AND N- PHENYLALKYLPIPERAZINYLALKYLENE; EACH OF SAID ALKYLENE CHAINS HAVING 2 TO 6 CARBON ATOMS AND SEPARATING THE NITROGEN TO WHICH IT IS ATTACHED BY AT LEAST 2 CARBON ATOMS; AND EACH OF THE SAID ALKYL, ALKOXY AND ALKANOYL MOIETIES HAVING 1 TO 6 CARBON ATOMS; WHICH COMPRISES HEATING AN IMINODIBENZYL OF THE FOLLOWING FORMULA: 5-R5,R1,R2-10,11-DIHYDRO-5H-DIBENZ(B,F)AZEPINE IN THE PRESENCE OF A DEHYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF A SULFUR, SELENIUM, PALLADIUM, RUTHENIUM, IRIDIUM, RHODIUM AND OSMIUM CATALYST.
References Cited (Backward Citations)
US2921069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |