EP0401713A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Treating skin and lesions
Assignee: Hercules LLC
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Filing: 1990-06-01
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Granted: —
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Expires: 2010-06-01
Abstract
Abstract Disclosed is a method of treating a skin lesion comprising applying to the lesion a dry bandage comprising a gas- and moisture-permeable, flexible, thermoplastic film impregnated with a pharmaceutical.
Inventors
- 👤 Richard W. Greiner
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 20:52
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/44; A61L2300/00; A61L2300/40
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
24 words
A method of making a dry bandage for treating a skin lesion comprising impregnating a pharmaceutical into a gas- and moisture-permeable, flexible, thermoplastic film.
Claim 2
Independent Claim
24 words
A method of making a dry bandage for treating a skin lesion comprising impregnating a pharmaceutical into a gas- and moisture-permeable, flexible, thermoplastic film.
Claim 3
Dependent Claim
14 words
The method of claim 1 wherein the thermoplastic film comprises a non-porous thermoplastic polymer.
Claim 4
Dependent Claim
16 words
The method of claim 2 wherein the non-porous thermoplastic polymer is a urethane or silicone polymer.
Claim 5
Dependent Claim
27 words
The method of claim 1 wherein the pharmaceutical is selected from the group consisting of a vasodilator, growth factor, anti-inflammatory agent, analgesic, antispasmodic, and a mixture thereof.
Claim 6
Dependent Claim
27 words
The method of claim 1 characterized in that a backing layer impermeable to the pharmaceutical is adhered to at least one of opposing surfaces of the bandage.
Claim 7
Dependent Claim
30 words
The method of claim 1 wherein the thermoplastic film is impregnated with the pharmaceutical by contacting the film with the pharmaceutical dissolved in a liquefied gas maintained at supercritical conditions.
Claim 8
Dependent Claim
15 words
A dry bandage comprising a gas- and moisture-permeable, flexible, thermoplastic film impregnated with a pharmaceutical.
Claim 9
Dependent Claim
15 words
A dry bandage comprising a gas- and moisture-permeable, flexible, thermoplastic film impregnated with a pharmaceutical.
Claim 10
Dependent Claim
14 words
The bandage of claim 7 wherein the thermoplastic film comprises a non-porous thermoplastic polymer.
Claim 11
Dependent Claim
16 words
The bandage of claim 7 wherein the non-porous thermoplastic polymer is a urethane or silicone polymer.
Claim 12
Dependent Claim
27 words
The bandage of claim 10 wherein the pharmaceutical is selected from the group consisting of a vasodilator, growth factor, anti-inflammatory agent, analgesic, antispasmodic, and a mixture thereof.
Claim 13
Dependent Claim
25 words
The bandage of claim 10 further comprising a backing layer impermeable to the pharmaceutical adhering to at least one of opposing surfaces of the bandage.
Claim 14
Dependent Claim
30 words
The bandage of claim 10 wherein the thermoplastic film is impregnated with the pharmaceutical by contacting the film with the pharmaceutical dissolved in a liquefied gas maintained at supercritical conditions.
References Cited (Backward Citations)
No citation records indexed.
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