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US4186201A
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Methods of using 8(tetrazol-5-ylcarbamoyl)isoquinoline compounds
Assignee: Riker Laboratories Inc
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Filing: 1978-12-20
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Granted: 1980-01-29
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Expires: 1998-12-20
Abstract
Abstract 8-(1H-Tetrazol-5-ylcarbamoyl)quinolines and pharmaceutically acceptable salts thereof are potent anti-allergic agents.
Inventors
- 👤 Edward H. Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:08
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
85 words
A method for inhibiting the result of antibody-antigen reactions in mammals which comprises administration to a mammal susceptible to allergic reaction of an effective amount of a compound of the formula ##STR21## wherein R 1 is alkyl or alkoxy of one or two carbon atoms, R 2 is alkyl or alkoxy of one or two carbon atoms, hydrogen, nitro or halogen, R 3 is hydrogen or alkyl of one to four carbon atoms and n is zero, one or two, and pharmaceutically acceptable salts thereof.
Claim 2
Independent Claim
85 words
A method for inhibiting the result of antibody-antigen reactions in mammals which comprises administration to a mammal susceptible to allergic reaction of an effective amount of a compound of the formula ##STR21## wherein R 1 is alkyl or alkoxy of one or two carbon atoms, R 2 is alkyl or alkoxy of one or two carbon atoms, hydrogen, nitro or halogen, R 3 is hydrogen or alkyl of one to four carbon atoms and n is zero, one or two, and pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim
11 words
A method according to claim 1 wherein the compound is 8-(1H-tetrazol-5-ylcarbamoyl)quinoline.
Claim 4
Dependent Claim
14 words
A method according to claim 1 wherein the method of administration is by inhalation.
Claim 5
Dependent Claim
13 words
A method according to claim 1 wherein the method of administration is oral.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-01-28 | 1983-07-30 | 1984-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-28 | 1987-07-30 | 1988-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-28 | 1991-07-30 | 1992-01-29 | $7700.00 | Window Closed / Lapsed |