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EP0353972B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

A novel discontinuous adhesive surface

Assignee: Kendall Co
•
Filing: 1989-07-31
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Granted: 1994-01-19
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Expires: 2009-07-31
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Abstract

Abstract Novel tapes or bandages comprising a backing material carrying a discontinuous adhesive layer on a surface thereof, the discontinuous adhesive layer consisting essentially of spaced small individual adhesive deposits. In the disclosed embodiments, the adhesive deposits may advantageously incorporate a drug delivery system and/or provide improved repositionability of the tape or bandage.

Inventors

  • 👤 Shiro George Takemoto
  • 👤 Robert Winston Etheredge, Iii

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 12:06
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/70; A61K9/7023; A61K9/703; A61F; A61F13/00; A61F13/00051; A61F13/00063; A61F13/02; A61F13/0203; A61F13/0206; A61F13/0223; A61F13/0226; A61F13/0246; A61F13/025; A61F13/0253; A61K9/7084; A61K9/7092; C; C09; C09J; C09J7/00; C09J7/30; C09J7/38; A61F2013/00361; A61F2013/00727; A61F2013/00761; A61F2013/00774; A61F2013/00855; A61F2013/00902; A61F2013/00906; C09J2301/00; C09J2301/20; C09J2301/204

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 89 words
An adhesive tape or an adhesive bandage comprising a backing material (14) carrying spaced small individual adhesive deposits (30, 30a, 30b) on a surface thereof, characterised in that the adhesive deposits are of varying sizes or of varying distribution, some of the deposits being of one height (30a) and the remainder of the deposits being of smaller height (30b), or some of the deposits (30) being spaced closer together at at least one edge of the backing material (14) than in the central portion, or both variations being present.
Claim 2
Dependent Claim 118 words
An adhesive tape or an adhesive bandage comprising a vapour- and oxygen-permeable backing material (14) carrying on one surface thereof an absorbent pad (12) for placement as a wound dressing and a medical grade adhesive layer for adhering said bandage to the skin, being afforded by spaced small individual adhesive deposits (30, 30a, 30b), characterised in that the adhesive deposits are of varying sizes or of varying distribution, some of the deposits being of one height (30a) and the remainder of the deposits being of smaller height (30b), or some of the deposits (30) being spaced closer together at at least one edge of the backing material (14) than in the central portion, or both variations being present.
Claim 3
Dependent Claim 23 words
An article as claimed in Claim 1 or Claim 2 characterised in that the said adhesive deposits (30a, 30b) are of varying size.
Claim 4
Dependent Claim 39 words
An article as claimed in any one of Claims 1 to 3 characterised in that the said adhesive deposits (30) are more densely positioned along at least one edge than in the central portion of the said backing material.
Claim 5
Dependent Claim 62 words
An article as claimed in any one of Claims 1 to 4 characterised in that some of the said adhesive deposits contain a first material (60) and others of the adhesive deposits (70) contain other materials which may or may not be compatible with each other or with the first material, incompatible materials being located separate from each other in different deposits.
Claim 6
Dependent Claim 32 words
An article as claimed in any one of Claims 1 to 4 characterised in that the said adhesive deposits (60, 70) contain one or more compatible or incompatible medicinal and/or cosmetic agents.
Claim 7
Dependent Claim 58 words
An article as claimed in any one of claims 1 to 4 characterised in that certain of the adhesive deposits (60) contain a drug or cosmetic active ingredient and others of the deposits (70) contain a transport vehicle or a skin conditioner or a drug activator and yet others of the deposits (30) contain none of such ingredients.
Claim 8
Dependent Claim 24 words
An article as claimed in any one of Claims 1 to 7 in which there are 30 to 1100 deposits of adhesive per cm².
Claim 9
Dependent Claim 29 words
An article as claimed in any one of Claims 1 to 8 in which the deposits leave 10% to 95% open area which is adhesiveless on the backing sheet.

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