Thermoplastic film
US8043683B2 · kind B2 · utility
1Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2009 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Jul 2, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24504
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A thermoplastic film for the interior paneling of motor vehicles has a top layer with a structured surface layer and a foamed layer on the underside and with indentations or material weak points introduced on the reverse side. The top layer has a residual thickness of at least 35% in the region of the indentations and the foamed layer has a thickness between 15 and 50% of the density of the compact top layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.