US3740401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(n-cycloalkyl-phenylamino)-2-imidazolines-(2) and salts thereof
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1970-11-18
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Granted: 1973-06-19
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Expires: 1990-11-18
Abstract
Abstract COMPOUND OF THE FORMULA 2-((CYCLOPENTYL)-N(-Y)-)-2-IMIDAZOLINE, OR 2-((CYCLO- HEPTYL)-N(-Z)-)-2-IMIDAZOLINE WHEREIN 1 IS 2,6-DICHLORO-PHENYL, 2-CHLORO-L-METHY6-PHENYL, 2CHLORO-4-METHYL-PHENYL, 2-METHYL-4-CHLORO-PHENYL,2CHLORO-PHENYL, 2,4-DICHLORO-PHENYL, 2-METHYL-PHENYL. 2,6-DIETHYL-PHENYL, 4-BROMO-PHENYL, 2,6- DICHLORO-4BROMO-PHENYL, 4-CYANO-PHENYL, 4-FLUORO-PHENYL OR 2-TRI FLUOROMETHYL-PHENYL, 2-METHOXY-4-CHLORO-PHENYL OR 2CHLORO-3-METHYL-PHENYL, AND Z IS (2-CL,6-R7-PHENYL)- WHERE R7 IS CHLORINE OR METHYL, AND THEIR NON-TOXIC, PHARMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS, THE COMPOUNDS AS WELL AS THEIR SALTS ARE USEFUL AS ANALGESICS.
Inventors
- 👤 W Kummer
- 👤 K Stockhaus
- 👤 H Stahle
- 👤 H Koppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:21
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/44; C07D233/50
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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |