Patent · US Expired

Breathable waterproof film

US5800928A · kind A · utility

28Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 1995
Grant dateSep 1, 1998
Priority date
Expiry dateJun 19, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/678
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a breathing film constituting a mixture including: PA1 (a) at least one thermoplastic elastomer which has polyether blocks; PA1 (b) at least one copolymer including ethylene and at least one alkyl (meth)acrylate. They can be used in combination with fabrics or with nonwovens.

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