Pre-impregnated rovings for composite material
US12195401B2 · kind B2 · utility
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Key dates
| Filing date | Oct 19, 2021 |
| Grant date | Jan 14, 2025 |
| Priority date | — |
| Expiry date | Nov 2, 2041 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06C9/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for impregnating an oxide fibre roving with a matrix of alumina and silica includes a introducing an oxide fibre roving into an impregnation bath, wherein the impregnation bath is prepared by sol-gel process and includes a silica precursor in the form of a hybrid polymeric sol, an alumina precursor in the form of a colloidal sol and ceramic particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.