Patent US5296514A successfully refreshed from Google Patents.
US5296514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corneal treatment agents
Assignee: Avanir Pharmaceuticals Inc
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Filing: 1993-05-21
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Granted: 1994-03-22
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Expires: 2013-05-21
Abstract
Abstract Aliphatic alcohols are disclosed for promoting corneal healing following injury to the eye. Such compositions ameliorate corneal discomfort, alleviate visual artifacts, and/or reduce irritation caused by the eye injury. The compositions also promote the regrowth of epithelial tissue over the corneal surface.
Inventors
- 👤 David F. Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:43
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/045
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
44 words
A method of promoting corneal healing following injury to an eye comprising: applying topically to the cornea of an injured eye, an aliphatic alcohol having a chain length ranging from about C-20 to about C-26 and in an amount effective to promote corneal healing.
Claim 2
Independent Claim
44 words
A method of promoting corneal healing following injury to an eye comprising: applying topically to the cornea of an injured eye, an aliphatic alcohol having a chain length ranging from about C-20 to about C-26 and in an amount effective to promote corneal healing.
Claim 3
Dependent Claim
11 words
The method of claim 1 wherein the aliphatic alcohol is docosanol.
Claim 4
Dependent Claim
11 words
The method of claim 1 wherein the aliphatic alcohol is tetracosanol.
Claim 5
Dependent Claim
11 words
The method of claim 1 wherein the aliphatic alcohol is hexacosanol.
Claim 6
Dependent Claim
31 words
The method of claim 1 wherein the aliphatic alcohol is applied in a concentration ranging from about 0.2 to about 30% by weight in a physiologically compatible carrier to the cornea.
Claim 7
Dependent Claim
31 words
The method of claim 1 wherein the aliphatic alcohol is applied in a concentration ranging from about 1 to about 5% by weight in a physiologically compatible carrier to the cornea.
References Cited (Backward Citations)
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Cited
US4738956A
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US4939135A
Cited
US4874794A
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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) | 1997-03-21 | 1997-09-20 | 1998-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-03-21 | 2001-09-20 | 2002-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-03-21 | 2005-09-20 | 2006-03-22 | $7700.00 | Window Closed / Lapsed |