Patent · US Expired

Sealable multilayered films with improved transparency

US5122415A · kind A · utility

4Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1990
Grant dateJun 16, 1992
Priority date—
Expiry dateSep 10, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31928
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Multilayered films with a special sealing layer which is applied only to one side have improved properties, in particular improved transparency.

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