Biaxially oriented laminated polyester film
US7223467B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 22, 2003 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Sep 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.