US3671625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for treating asthma comprising bis-chromonyl compounds and method of employing same
Assignee: Fisons Pharmaceuticals Ltd
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Filing: 1970-03-12
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Granted: 1972-06-20
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Expires: 1990-03-12
Abstract
Abstract Bis-chromonyl compounds of the formula: AND THERAPEUTICALLY ACCEPTABLE SALTS, ESTERS AND AMIDES THEREOF, WHEREIN R1, R2, R3, R4, R5 and R6 are the same or different and each is H or halogen, lower alkyl, hydroxy, lower alkoxy, substituted lower alkyl or substituted lower alkoxy, and X is a saturated or unsaturated, substituted or unsubstituted, straight or branched polymethylene chain which may be interrupted by one or more carbocyclic rings or oxygen-containing heterocyclic rings, oxygen atoms or carbonyl groups are particularly useful for the relief and prophylaxis of asthma when mixed with bronchodilators.
Inventors
- 👤 Roger Edward Colling Altounyan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:17
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/22; C07D311/24; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/673; C07C45/68; C07C45/70; C07C45/71; C07D311/06; C07D311/08; C07D311/16
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
16 words
The composition of claim 1 wherein the bis-chromonyl compound is in the form of a salt.
Claim 2
Dependent Claim
18 words
The composition of claim 1 wherein the bis-chromonyl compound is in the form of an alkali metal salt.
Claim 3
Dependent Claim
19 words
The composition of claim 1 wherein the bis-chromonyl compound is in the form of an alkaline earth metal salt.
Claim 4
Dependent Claim
16 words
The composition of claim 1 wherein the bis-chromonyl compound is in the form of an amide.
Claim 5
Dependent Claim
11 words
The composition of claim 1 wherein the bronchodilator is isoprenaline sulfate.
Claim 6
Dependent Claim
14 words
The composition of claim 1 comprising a solution of the active ingredients in water.
Claim 7
Dependent Claim
12 words
The composition of clAim 1 further comprising a pharmaceutically acceptable solid diluent.
Claim 8
Dependent Claim
24 words
The composition of claim 1 wherein the bronchodilator is selected from the group consisting of isoprenaline, adrenaline, orciprenaline, isoetharine and pharmaceutically acceptable salts thereof.
Claim 9
Dependent Claim
15 words
The composition of claim 1, additionally containing a pharmaceutical carrier which is suitable for inhalation.
Claim 10
Dependent Claim
12 words
The composition of claim 1, in the form of an aerosol formulation.
Claim 11
Dependent Claim
43 words
A method for the relief of asthma which comprises administering to a patient, by inhalation, a composition according to claim 1, the amount of said composition administered, per dose, being sufficient to afford from 1 to about 50 milligrams of the bis-chromonyl compound.
Claim 12
Dependent Claim
24 words
The method of claim 12 wherein the bronchodilator is selected from the group consisting of isoprenaline, adrenaline, orciprenaline, isoetharine and pharmaceutically acceptable salts thereof.
Claim 13
Dependent Claim
11 words
The composition of claim 11 wherein the bronchodilator is isoprenaline sulfate.
References Cited (Backward Citations)
US3419578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |