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Pressure sensitive adhesive composition

  • US 6,437,038 B1
  • Filed: 06/23/2000
  • Issued: 08/20/2002
  • Est. Priority Date: 03/13/1998
  • Status: Expired due to Fees
First Claim
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1. A pressure sensitive adhesive composition suitable for medical purposes and which comprises a rubbery elastomeric base in which a water soluble or water swellable hydrocolloid, a combination of pectin, gelatine and carboxymethylcellulose, is substantially homogeneously dispersed, said adhesive composition comprising, as sole essential components, an admixture of from 15 to 60 percent by weight of butyl rubber, from 15 to 60 percent by weight of tackifier resin, from 1 to 10 percent by weight of tackifying liquid constituent, from 20 to 60 percent by weight of hydrocolloid and, optionally, up to 3 percent by weight of pigment.

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