Weatherable multilayer resinous articles and method for their preparation
US7273650B2 · kind B2 · utility
3Cited by
33References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2003 |
| Grant date | Sep 25, 2007 |
| Priority date | — |
| Expiry date | Aug 17, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31565
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Substantially solvent-free multilayer articles characterized by excellent color retention and gloss retention, solvent resistance and recyclability comprise a substrate layer which may be at least one of polycarbonates, polyesters and ABS and ASA copolymers, and a resinous coating layer which contains resorcinol or alkylresorcinol isophthalate/terephthalate ester units. An intermediate layer may also be present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.