US3708485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(n-allyl-phenylamino)-imidazolines-(2)and salts thereof
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1970-11-12
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Granted: 1973-01-02
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Expires: 1990-11-12
Abstract
Abstract WHEREIN R1 IS HYDROGEN, CHLORINE, METHYL, ETHYL, METHOXY OR TRIFLUOROMETHYL, R2 IS HYDROGEN, CHLORINE, BROMINE, FLUORINE, METHYL, METHOXY OR CYANO, R3 IS HYDROGEN, CHLORINE, METHYL OR ETHYL, AND R4 AND R5 ARE EACH HYDROGEN, METHYL OR CHLORINE PROVIDED, HOWEVER, THAT R1, R2 AND R3 ARE OTHER THAN ALL HYDROGEN AT THE SAME TIME AND THAT R4 AND R5 ARE OTHER THAN BOTH CHLORINE AT THE SAME TIME, AND THEIR NONTOXIC, PHARMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS; THE COMPOUNDS AS WELL AS THEIR SALTS ARE USEFUL AS ANALGESICS AND HYPOTENSIVES. COMPOUND OF THE FORMULA 2-((2-R1,6-R3,R2-PHENYL)-N(-CH2-CH=CH2)-)IMIDAZOLIDINE
Inventors
- 👤 H Stahle
- 👤 H Koppe
- 👤 W Kummer
- 👤 H Wick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:52
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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |