Patent · US Expired

Method of forming packaging compositions

US5378414A · kind A · utility

18Cited by
10References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 29, 1993
Grant dateJan 3, 1995
Priority date
Expiry dateJul 29, 2013

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB32B38/00
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A process to produce a packaging film through the addition, in a unique continuous in-line application, of interactive/barrier material with a sealant layer disposed thereover during the packaging film production prior to the tenter operation.

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