US4024151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-Phenylpiperidinyl (and 4-phenyl-tetrahydropyridinyl) alkylamino-oxoalkanoic acids
Assignee: ER Squibb and Sons LLC
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Filing: 1975-09-29
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Granted: 1977-05-17
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Expires: 1995-09-29
Abstract
Abstract Compounds having the formula ##STR1## wherein A is a straight or branched chain alkylene group; R is hydrogen, halogen, alkyl, alkoxy, alkylthio, trifluoromethyl, nitro, amino, or cyano; and m is 2, 3 or 4; are useful in the treatment of allergic conditions in mammals.
Inventors
- 👤 Peter C. Wade
- 👤 B. Richard Vogt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:18
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/70; A; A61; A61P; A61P37/00; A61P37/08
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
63 words
A compound having the formula ##STR9## or a pharmaceutically acceptable salt thereof, wherein A is a straight or branched chain alkylene group having 2 to 8 carbon atoms, R is hydrogen, halogen, alkyl, alkoxy, alkylthio, trifluoromethyl, nitro, amino, or cyano; and m is 2, 3, or 4; wherein the terms alkyl, alkoxy and alkylthio refer to groups having 1 to 4 carbon atoms.
Claim 2
Dependent Claim
63 words
A compound having the formula ##STR9## or a pharmaceutically acceptable salt thereof, wherein A is a straight or branched chain alkylene group having 2 to 8 carbon atoms, R is hydrogen, halogen, alkyl, alkoxy, alkylthio, trifluoromethyl, nitro, amino, or cyano; and m is 2, 3, or 4; wherein the terms alkyl, alkoxy and alkylthio refer to groups having 1 to 4 carbon atoms.
Claim 3
Dependent Claim
20 words
A compound in accordance with claim 1 wherein A is an alkylene group having 2, 3, or 4 carbon atoms.
Claim 4
Dependent Claim
11 words
A compound in accordance with claim 1 where R is hydrogen.
Claim 5
Dependent Claim
13 words
The compound in accordance with claim 1 having the name 5-[[4-(3,6-dihydro-4-phenyl-1(2H)-pyridinyl)butyl]amino]-5-oxopentanoic acid, monohydrochloride.
References Cited (Backward Citations)
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Cited
US3864493A
Cited
US3927006A
Cited
US3951987A
Cited
US3885038A
Cited
US3883653A
Cited
US3879544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |