Patent · US Expired

Polymeric films

US5306559A · kind A · utility

5Cited by
4References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 4, 1993
Grant dateApr 26, 1994
Priority date
Expiry dateJun 4, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31913
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Biaxially oriented polymeric film having a core layer comprising a propylene homopolymer; a first heat sealable layer on one surface of the core layer and including an ionic hydrocarbyl sulfonate and a non-silica, non-migratory slip and/or antiblock agent; and a second heat sealable layer on the other surface of the core layer and including a non-migratory slip and/or antiblock agent but substantially no ionic hydrocarbyl sulfonate have good antistatic properties combined with good slip/antiblock properties.

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