Patent US3692819A successfully refreshed from Google Patents.
US3692819A
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Tertiary aminoacids
Assignee: Novartis Corp
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Filing: 1969-09-29
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Granted: 1972-09-19
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Expires: 1989-09-29
Abstract
Abstract New Alpha -(acyclic tert. aminophenyl)-aliphatic acids, e.g., those of the formula AND FUNCTIONAL DERIVATIVES THEREOF, ARE ANTI-INFLAMMATORY AGENTS.
Inventors
- 👤 Richard William James Carney
- 👤 George De Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:18
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/06
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
62 words
A compound as claimed in claim 1, in which Formula R1 is hydrogen or lower alkyl, each of R2, R3 and R4 is lower alkyl and Ph is 1,4-phenylene, (lower alkoxy)-1,4-phenylene, (chloro)-1,4-phenylene, (trifluoromethyl)- 1,4-phenylene or (di-lower alkylamino)-1,4-phenylene, a lower alkyl ester, the ammonium salt, an alkali metal or alkaline earth metal salt or a therapeutically useful acid addition salt of these compounds.
Claim 2
Dependent Claim
69 words
A compound as claimed in claim 1 and having the formula in which R5 is hydrogen, lower alkyl or unsubstituted 3 to 6 ring-membered cycloalkyl, R6 is hydrogen, lower alkyl, lower alkoxy, chloro or trifluoromethyl, R7 is lower alkyl and R8 is unsubstituted 3 to 6 ring-membered cycloalkyl or benzyl, a lower alkyl ester, the ammonium salt, an alkali metal salt or a therapeutically useful acid addition salt thereof.
Claim 3
Dependent Claim
57 words
A compound of the formula shown in claim 3, in which R5 is unsubstituted 3 to 6 ring-membered cycloalkyl, R6 is hydrogen, lower alkyl, lower alkoxy, chloro or trifluoromethyl and each of R7 and R8 is lower alkyl, a lower alkyl ester, the ammonium salt, an alkali metal salt or a therapeutically useful acid addition salt thereof.
Claim 4
Dependent Claim
49 words
A compound of the formula shown in claim 3, in which each of R5, R7 and R8 is lower alkyl and R6 is hydrogen, lower alkyl, lower alkoxy or trifluoromethyl, a lower alkyl ester, the ammonium salt, an alkali metal salt or a therapeutically useful acid addition salt thereof.
Claim 5
Dependent Claim
52 words
A compound as claimed in claim 3, wherein R5 is hydrogen, methyl, ethyl or cyclopropyl, R6 is hydrogen or chloro, R7 is methyl or ethyl and R8 is cyclopentyl or cyclohexyl or the methyl or ethyl ester, the ammonium salt, an alkali metal salt or a therapeutically useful acid addition salt thereof.
Claim 6
Dependent Claim
47 words
A compound as claimed in claim 4, wherein R5 is cyclopropyl, R6 is hydrogen or chloro, and each of R7 and R8 is methyl or ethyl or the methyl or ethyl ester, the ammonium salt, an alkali metal salt or a therapeutically useful acid addition salt thereof.
Claim 7
Dependent Claim
43 words
A compound as claimed in claim 5, wherein each of R5, R7 and R8 is methyl or ethyl and R6 is hydrogen, or the methyl or ethyl ester, the ammonium salt, an alkali metal salt or a therapeutically useful acid addition salt thereof.
References Cited (Backward Citations)
US3390051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |