Composite materials
US9707736B2 · kind B2 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 19, 2011 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Mar 18, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/27
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A curable sheet-like composite material comprising curable resin and at least one layer of structural fibers and comprising an outer backing layer of substantially resin-free material which is gas permeable but is substantially non-permeable with respect to the curable resin at room temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.