Patent · US Expired

Biaxially oriented laminated polyester film

US7223467B2 · kind B2 · utility

2Cited by
12References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 22, 2003
Grant dateMay 29, 2007
Priority date
Expiry dateSep 22, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31797
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A biaxially oriented laminated polyester film which is a co-extruded laminated polyester film comprising at least three polyester layers with the intermediate layer containing a dye which is substantially dissolved in polyesters, said film having on one side thereof a resin layer containing metal-added metal oxide particles or metal oxide particles. This film is capable of preventing precipitation of the dye on the film surface, excels in heat insulation and aesthetic effect in use, and is suited for application to windows.

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