US4416886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating pruritis and composition therefor
Assignee: Dermall Ltd
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Filing: 1981-07-29
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Granted: 1983-11-22
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Expires: 2001-07-29
Abstract
Abstract A topical treatment for relieving pruritis wherein naloxone, a pharmaceutically acceptable salt or a pharmaceutically acceptable chemical derivative is topically applied in a lotion, solution, cream or ointment.
Inventors
- 👤 Joel E. Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:06
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/485
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
40 words
A method for relieving severe itching in patients in need of such treatment, said method comprising topically administering a therapeutically effective amount of naloxone or a pharmaceutically acceptable salt thereof or naltrexone to a patient in need of such treatment.
Claim 2
Independent Claim
40 words
A method for relieving severe itching in patients in need of such treatment, said method comprising topically administering a therapeutically effective amount of naloxone or a pharmaceutically acceptable salt thereof or naltrexone to a patient in need of such treatment.
Claim 3
Dependent Claim
40 words
The method of claim 1, wherein said naloxone or pharmaceutically acceptable salt thereof or naltrexone is present in a solution, lotion, cream or ointment in the range of between about .01 percent by weight to about 5 percent by weight.
Claim 4
Dependent Claim
34 words
The method of claim 1, wherein said naloxone or a pharmaceutically acceptable salt thereof or naltrexone is administered to a patient in need of such treatment periodically from 1 to 8 times per day.
Claim 5
Dependent Claim
19 words
The method of claim 1, wherein said pharmaceutically acceptable salt of naloxone is a physiologically acceptable acid addition salt.
Claim 6
Dependent Claim
15 words
The method of claim 1, wherein said pharmaceutically acceptable salt of naloxone is naloxone hydrochloride.
Claim 7
Dependent Claim
30 words
A composition of matter comprising a therapeutically effective amount of naloxone or a pharmaceutically acceptable salt thereof or naltrexone in a lotion, cream or ointment suitable for topical use only.
Claim 8
Dependent Claim
30 words
A composition of matter comprising a therapeutically effective amount of naloxone or a pharmaceutically acceptable salt thereof or naltrexone in a lotion, cream or ointment suitable for topical use only.
Claim 9
Dependent Claim
39 words
The composition of claim 6, wherein naloxone or a pharmaceutically acceptable salt thereof or naltrexone is present in the lotion, cream or ointment in the range of between about 0.01 percent by weight to about 5 percent by weight.
Claim 10
Dependent Claim
19 words
The composition of claim 6, wherein the pharmaceutically acceptable salt of naloxone is a physiologically acceptable acid addition salt.
Claim 11
Dependent Claim
11 words
The composition of claim 8, wherein said salt is naloxone hydrochloride.
References Cited (Backward Citations)
US4181726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-21 | 1987-05-23 | 1987-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-21 | 1991-05-23 | 1991-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-21 | 1995-05-23 | 1995-11-22 | $7700.00 | Window Closed / Lapsed |