Patent US3632857A successfully refreshed from Google Patents.
US3632857A
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US
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10 (or 11) - dihald - 5-(3-dimethylaminopropyl or -propylidene) - 5h-dibenzo(a
Assignee: F Hoffmann La Roche AG
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Filing: 1969-03-12
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Granted: 1972-01-04
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Expires: 1989-03-12
Abstract
Abstract 1,10(OR 11) -DIHALO -5 - (3-DIMETHYLAMINOPROPYL OR PROPYLIDENE) - 5H-DIBENZO(A,D)CYCLOHEPTENE N-OXIDES, PREPARED, INTER ALIA, FROMTHE CORRESPONDING 1,10(OR 11)DIHALO - 5 - (3-DIMETHYLAMINOPROPYL OR PROPYLIDENE)-5HDIBENZO(A,D)CYCLOHEPTENES, ARE DESCRIBED. THE END PRODUCTS ARE USEFUL AS ANITDEPRESSANTS.
Inventors
- 👤 Emilio Kyburz
- 👤 Hans Spiegelberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:19
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; F; F24; F24H; F24H1/00; F24H1/22
Claims Analysis
Total Claims: 0
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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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |