Multilayer films
US6703115B2 · kind B2 · utility
49Cited by
22References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2002 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Jan 25, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
There are provided novel multilayer films comprising a layer comprising a thermoplastic polymer, such as an aliphatic-aromatic copolyester (AAPE), with or without filler, and a layer comprising a filled thermoplastic polymer. The polymers in the layers may be the same or different. The multilayer films are preferably characterized by having increased moisture vapor transmission rate (MVTR). Also provided are novel articles of manufacture comprising the novel multilayer films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.