Heat shrinkable nylon food casing having a functionalized ethylenic polymer core layer
US5698279A · kind A · utility
29Cited by
50References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 23, 1992 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Sep 23, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31746
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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 ethylenic polymers having a functional moiety selected from the group of esters, anhydrides, and carboxylic acids, and a coextrusion process for making the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.