Patent US558739A successfully refreshed from Google Patents.
Patent US3778447A successfully refreshed from Google Patents.
US3778447A
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US
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N-(substituted)fluorene-,dibenzocycloheptane-and dibenzocycloheptene-imidazoles
Assignee: Bayer AG
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Filing: 1971-10-21
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Granted: 1973-12-11
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Expires: 1991-10-21
Abstract
Abstract ANTIMYCOTIC AGENTS OF THE FORMULA: X<(-(1,2-PHENYLENE)-C(-Z)(-N<(-CH=N-CH=CH-))-(5-Y-1,2- PHENYLENE)-) WHEREIN X IS A CARBON-CARBON BOND, OXYGEN, SULFUR, ETHYLENE OR VINYLENE; Y IS HYDROGEN OR HALOGEN; AND Z IS LOWER ALKYL, LOWER ALKENYL, LOWER ALKYNYL OR CYCLOALKYL OF 3 TO 6 CARBON ATOMS, ARE PREPARED FROM THIONYL-BIS-IMIDAZOLE AND THE APPROPRAITE FUSED DIBENZOCARBINO. A TYPICAL EMBODIMETN IS 9METHYL-9-IMIDAZOLYLFULORENE.
Inventors
- 👤 K Buchel
- 👤 M Plempel
- 👤 W Draber
- 👤 H Timmler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:17
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D233/00; C07D233/54; C07D233/56; C07D233/62; C07D249/00; C07D249/02; C07D249/08; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/18
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |