Patent US4268518A successfully refreshed from Google Patents.
US4268518A
Expired / Lapsed
US
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Method of treating cystitis
Assignee: Fisons Ltd
•
Filing: 1980-05-07
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Granted: 1981-05-19
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Expires: 2000-05-07
Abstract
Abstract There is described a method of treatment of mammalian cystitis, which method comprises administration of a compound of the formula I, ##STR1## wherein X is a polymethylene chain containing 3 to 7 carbon atoms inclusive, which chain may be substituted by an --OH group, or a pharmaceutically acceptable salt, ester or amide thereof, to a patient having cystitis.
Inventors
- 👤 David M. Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:04
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/35
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
86 words
A method of treatment of mammalian cystitis, which method comprises oral administration or instillation into the bladder of an effective amount of a compound of the formula I, ##STR3## wherein X is a polymethylene chain containing 3 to 7 carbon atoms inclusive, which chain may be substituted by an --OH group, or a pharmaceutically acceptable salt, alkyl C 1 to 10 ester, mono-alkyl C 1 to 10 amide, di-alkyl C 1 to 10 amide or unsubstituted amide thereof, as active ingredient, to a patient having cystitis.
Claim 2
Independent Claim
86 words
A method of treatment of mammalian cystitis, which method comprises oral administration or instillation into the bladder of an effective amount of a compound of the formula I, ##STR3## wherein X is a polymethylene chain containing 3 to 7 carbon atoms inclusive, which chain may be substituted by an --OH group, or a pharmaceutically acceptable salt, alkyl C 1 to 10 ester, mono-alkyl C 1 to 10 amide, di-alkyl C 1 to 10 amide or unsubstituted amide thereof, as active ingredient, to a patient having cystitis.
Claim 3
Dependent Claim
15 words
A method according to claim 1, wherein the active ingredient is instilled into the bladder.
Claim 4
Dependent Claim
29 words
A method according to claim 1, wherein the active ingredient is instilled into the bladder as a sterile aqueous solution containing from 0.05 to 10% w/w of active ingredient.
Claim 5
Dependent Claim
19 words
A method according to claim 3, wherein the aqueous solution contains from 0.5 to 5% w/w of active ingredient.
Claim 6
Dependent Claim
19 words
A method according to claim 3, wherein from 50 to 150 ml of solution is instilled into the bladder.
Claim 7
Dependent Claim
12 words
A method according to claim 1, wherein the cystitis is interstitial cystitis.
Claim 8
Dependent Claim
12 words
A method according to claim 6, wherein the patient is a woman.
Claim 9
Dependent Claim
18 words
A method according to claim 1, wherein the active ingredient is 1,3-bis(2-carboxychromon-5-yloxy)-2-hydroxypropane or a pharmaceutically acceptable salt thereof.
Claim 10
Dependent Claim
16 words
A method according to claim 1, wherein the active ingredient is the disodium salt of 1,3-bis(2-carboxychromon-5-yloxy)-2-hydroxypropane.
Claim 11
Dependent Claim
20 words
A method according to claim 1, wherein from 100 to 5,000 mg of active ingredient is administered to the patient.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-05-18 | 1984-11-17 | 1985-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-18 | 1988-11-17 | 1989-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-18 | 1992-11-17 | 1993-05-19 | $7700.00 | Window Closed / Lapsed |