Laminated polyester film
US6703138B1 · kind B1 · utility
6Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2002 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Aug 7, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A laminated polyester film in which a coating layer whose main constituent component is a water-soluble or water-dispersible resin is provided on at least one side of a polyester film, wherein the water resistance value of the film is at least 90%, the discoloration after melt molding is no more than 10, and the haze value change after heating is no more than 20%. Adhesion, water resistance, recoverability, and whitening resistance after heating are all excellent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.