Patent US3668207A successfully refreshed from Google Patents.
US3668207A
Expired / Lapsed
US
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2-amino-4-aryl-quinolines
Assignee: Novartis Corp
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Filing: 1970-01-22
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Granted: 1972-06-06
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Expires: 1990-01-22
Abstract
Abstract 2-Amino-4-aryl-quinolines, e.g. those of the formula ACYL DERIVATIVES, QUATERNARIES AND SALTS THEREOF, EXHIBIT ANTIINFLAMMATORY EFFECTS.
Inventors
- 👤 Richard William James Carney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:20
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
58 words
A compound as claimed in claim 1, in which formula R7 is hydrogen or methyl, R8 is methyl, ethyl, n-propyl, i-butyl, cyclopropyl or 2-hydroxyethyl, or R7 and R8 together are 1,5-pentylene, 1,6-hexylene or 3-phenyl-3-aza-1,5-pentylene, R9 is hydrogen or methyl, R10 is phenyl or 4-methoxyphenyl and R11 is hydrogen or chlorine, or a therapeutically useful acid addition salt thereof.
Claim 2
Dependent Claim
19 words
A compound as claimed in claim 1 and being the 2-dimethylamino-4-phenyl-6-chloro-quinoline or a therapeutically useful acid addition salt thereof.
Claim 3
Dependent Claim
19 words
A compound as claimed in claim 1 and being the 2-cyclopropylamino-4-phenyl-6-chloro-quinoline or a therapeutically useful acid addition salt thereof.
Claim 4
Dependent Claim
19 words
A compound as claimed in claim 1 and being the 2-piperidino-3-methyl-4-phenyl-6-chloro-quinoline or a therapeutically acceptable acid addition salt thereof.
Claim 5
Dependent Claim
19 words
A compound as claimed in claim 1 and being the 2-dimethylamino-4-(4-methoxy-phenyl)-quinoline or a therapeutically useful acid addition salt thereof.
References Cited (Backward Citations)
GB347515A
Cited
US2086691A
Cited
US2652398A
Cited
US3272824A
Cited
US3435041A
Cited
US3493570A
Cited
US3575984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |