Patent EP0297828A1 successfully refreshed from Google Patents.
EP0297828A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Novel medicated dressings
Assignee: Kendall Co
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Filing: 1988-06-28
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Granted: —
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Expires: 2008-06-28
Abstract
Abstract Novel bandage or dressing for topical application of a bioactive reagent, wherein the fabric or pad of the bandage (which may be of per se known construction) is coated or impregnated with a soft, waxy vehicle containing the bioactive reagent.
Inventors
- 👤 John C. Charkoudian
- 👤 Robert W. Etheredge Iii
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 13:10
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/44; A61L2300/00; A61L2300/40; A61L2300/402; A61L2300/404; A61L2300/41
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
74 words
A bandage adapted for placement on the skin for topical application of a bioactive reagent comprising at least a fabric pad coated or impregnated with a matrix vehicle containing the said bioactive reagent, the said vehicle comprising a soft, waxy material which has a low melting point and, in the absence of liquids, does not spread at room temperature, but which will rapidly release the said contained bioactive reagent upon contact with the skin.
Claim 2
Dependent Claim
74 words
A bandage adapted for placement on the skin for topical application of a bioactive reagent comprising at least a fabric pad coated or impregnated with a matrix vehicle containing the said bioactive reagent, the said vehicle comprising a soft, waxy material which has a low melting point and, in the absence of liquids, does not spread at room temperature, but which will rapidly release the said contained bioactive reagent upon contact with the skin.
Claim 3
Dependent Claim
24 words
A bandage as claimed in Claim 1 in which the said reagent is selected from the group consisting of anesthetics, counterirritants, fungicides and bactericides.
Claim 4
Dependent Claim
21 words
A bandage as claimed in Claim 1 or Claim 2 which includes adhesive means for adhering said bandage to the skin.
Claim 5
Dependent Claim
18 words
A bandage as claimed in Claim 1, 2 or 3 in which the said fabric is a nonwoven.
Claim 6
Dependent Claim
20 words
A bandage as claimed in any one of Claims 1 to 4 in which the said bioactive reagent is benzocaine.
Claim 7
Dependent Claim
26 words
A bandage as claimed in any one of Claims 1 to 5 in which the matrix vehicle is characterised by having a melting point below 40°C.
Claim 8
Dependent Claim
20 words
A bandage as claimed in any one of Claims 1 to 6 in which the matrix vehicle comprises polyethylene glycol.
Claim 9
Dependent Claim
16 words
A bandage as claimed in Claim 7 in which the said matrix vehicle further includes polyvinylpyrrolidone.
Claim 10
Dependent Claim
15 words
A bandage as claimed in Claim 8 in which the said polyvinylpyrrolidone is K90 grade.
Claim 11
Dependent Claim
30 words
A bandage as claimed in Claim 8 or Claim 9 in which the said polyvinylpyrrolidone is present in a ratio to polyethyleneglycol of from about 4:6 to 6:4 by weight.
References Cited (Backward Citations)
GB1038532A
Cited
US3249109A
Cited
US3339546A
Cited
FR1474448A
Cited
US4307075A
Cited
EP0206697A2
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