US5042466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wound dressing with treated release sheet
Assignee: Kendall Co
•
Filing: 1988-02-09
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Granted: 1991-08-27
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Expires: 2008-02-09
Abstract
Abstract A wound dressing comprising, an elastomeric film permeable to water vapor and having adhesive on a front surface thereof. The dressing has a pair of release sheets extending to a central portion of the film to releasably cover the adhesive. The release sheets are treated throughout with a coating to permit release from the adhesive, with end margins only of the release sheets being additionally treated to more aggressively adhere to the adhesive than a central portion of the release sheets.
Inventors
- 👤 James T. McKnight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:05
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/02; A61F13/023; A61F2013/00361; A61F2013/00795; A61F2013/008; A61F2013/00808; A61F2013/00855; A61F2013/00868
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
84 words
A wound dressing comprising: an elastomeric film having adhesive on a front surface thereof; and release sheet means to releasably cover said adhesive and being treated throughout with a release coating to permit release from the adhesive, with end margins only of the same release sheet means having means being additionally treated to more aggressively adhere to the adhesive than a central portion of the release sheet means, the additional treated means comprising scoring on said end margins or perforations in said end margins.
Claim 2
Dependent Claim
84 words
A wound dressing comprising: an elastomeric film having adhesive on a front surface thereof; and release sheet means to releasably cover said adhesive and being treated throughout with a release coating to permit release from the adhesive, with end margins only of the same release sheet means having means being additionally treated to more aggressively adhere to the adhesive than a central portion of the release sheet means, the additional treated means comprising scoring on said end margins or perforations in said end margins.
Claim 3
Dependent Claim
24 words
The dressing of claim 1 wherein said release sheet means comprises a pair of release sheets extending to a central portion of the film.
Claim 4
Dependent Claim
13 words
The dressing of claim 1 wherein the film is permeable to water vapor.
Claim 5
Dependent Claim
61 words
A wound dressing comprising: an elastomeric film having adhesive on a front surface thereof; and release sheet means to releasably cover said adhesive, with end margins of the release sheet means having means being treated to more aggressively adhere to the adhesive than a central portion of the release sheet means, wherein the treated means comprises abrasives on said end margins.
Claim 6
Dependent Claim
61 words
A wound dressing comprising: an elastomeric film having adhesive on a front surface thereof; and release sheet means to releasably cover said adhesive, with end margins of the release sheet means having means being treated to more aggressively adhere to the adhesive than a central portion of the release sheet means, wherein the treated means comprises abrasives on said end margins.
References Cited (Backward Citations)
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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) | 1994-08-26 | 1995-02-25 | 1995-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-26 | 1999-02-25 | 1999-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-26 | 2003-02-25 | 2003-08-27 | $7700.00 | Window Closed / Lapsed |