Molded sandwich article
US5503923A · kind A · utility
12Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1994 |
| Grant date | Apr 2, 1996 |
| Priority date | — |
| Expiry date | Apr 26, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31917
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sandwich molding comprising: PA1 a core layer covered by the skin layer PA1 said skin layer comprising either an olefin-based thermoplastic elastomer or a styrene-based thermoplastic elastomer, PA1 said core layer comprising either a mixture comprising at least a crystalline polypropylene resin and an ethylene-.alpha.-olefin copolymer or a mixture comprising at least a crystalline polypropylene resin and a styrene-based elastomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.