Patent · US Expired

Air-permeable substrate material with a self-adhesive coating, process for its production and its use

US6180544A · kind A · utility

20Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 1998
Grant dateJan 30, 2001
Priority date
Expiry dateOct 15, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/2754
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Carrier material having a self-adhesive finish and a hotmelt self-adhesive composition applied to the entire area of at least one side, characterized in that the thermoplastic adhesive composition is foamed and the product has an air permeability of at least 3 cm.sup.3 /cm.sup.2 /s for an amount applied of at least 20 g/m.sup.2.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.