Patent US2648667A successfully refreshed from Google Patents.
US2648667A
Expired / Lapsed
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Esters of 1-azabicycloalkanols
Assignee: F Hoffmann La Roche AG
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Filing: 1951-04-18
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Granted: 1953-08-11
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Expires: 1971-04-18
Abstract
No abstract record available.
Inventors
- 👤 Sternbach Leo Henryk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:49
CPC Classifications
C; C07; C07D; C07D453/00; C07D453/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACYLOXY-1-AZABICYCLOALKANES AND THEIR SALTS, THE ACYL RADICAL BEING THAT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF DIPHENYLACETIC ACID, BENZILIC ACID, FLUORENE-9-CARBOXYLIC ACID, ACETYLMANDELIC ACID, TROPIC ACID, AND ATROPIC ACID, AND THE 1-AZABICYCLOALKANYL RADICAL BEING THAT OF A 1-AZABICYCLOALKANOL SELECTED FROM THE GROUP CONSISTING OF 1-AZABIXYXLO(2.2.2.)-3-OCTANOL, 1-AZABICYCLO(2.2.2)-3-METHYL-3-OCTANOL, 1-AZABICYCLO(3.2.1)-6-OCTANOL, 1-AZABICYCLO(3.3.1)-4NONANOL, AND 1-AZABICYCLO(3.3.1)-2-METHYL-4NONANOL.
Claim 2
Dependent Claim
60 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACYLOXY-1-AZABICYCLOALKANES AND THEIR SALTS, THE ACYL RADICAL BEING THAT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF DIPHENYLACETIC ACID, BENZILIC ACID, FLUORENE-9-CARBOXYLIC ACID, ACETYLMANDELIC ACID, TROPIC ACID, AND ATROPIC ACID, AND THE 1-AZABICYCLOALKANYL RADICAL BEING THAT OF A 1-AZABICYCLOALKANOL SELECTED FROM THE GROUP CONSISTING OF 1-AZABIXYXLO(2.2.2.)-3-OCTANOL, 1-AZABICYCLO(2.2.2)-3-METHYL-3-OCTANOL, 1-AZABICYCLO(3.2.1)-6-OCTANOL, 1-AZABICYCLO(3.3.1)-4NONANOL, AND 1-AZABICYCLO(3.3.1)-2-METHYL-4NONANOL.
References Cited (Backward Citations)
US2143491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |