Patent · US Expired

Heat shrinkable nylon food casing with a polyolefin core layer

US5549943A · kind A · utility

34Cited by
50References
36Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 23, 1992
Grant dateAug 27, 1996
Priority date
Expiry dateSep 23, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/3175
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Tubular, biaxially stretched, heat shrinkable multilayer film food casings comprising inner and outer polyamide layers on either side of a core layer predominantly of one or more polyolefins such as VLDPE or EVA and a coextrusion process for making the film.

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