Multilayer structure based on polyamides and graft copolymers having polyamide blocks
US7862872B2 · kind B2 · utility
3Cited by
5References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2004 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Aug 30, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3175
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a multilayer structure based on polyamides and graft copolymers having polyamide blocks, comprising, in this order: One particularly useful application relates to tubes for cooling circuits of internal combustion engines, such as the engines of cars or lorries.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.