×

Coextruded pressure-sensitive adhesive tape and method of making

  • US 5,660,922 A
  • Filed: 05/03/1995
  • Issued: 08/26/1997
  • Est. Priority Date: 10/01/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A composite pressure-sensitive adhesive tape having two exterior surfaces of a normally tacky pressure-sensitive adhesive, the tape comprising a unified structure of first and second simultaneously melt processed pressure-sensitive adhesive layers each comprising an elastomeric polymer, and optionally a third simultaneously melt processed layer between said first and second pressure-sensitive adhesive layers, wherein said third layer is essentially free from the elastomeric polymer used in the pressure-sensitive adhesive used in said first and second pressure-sensitive adhesive layers, and further wherein at least one of said pressure-sensitive adhesive layers has been cross linked.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×