High temperature oxidation protection for composites
US12397907B2 · kind B2 · utility
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133References
6Claims
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Key dates
| Filing date | Mar 13, 2023 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Jan 15, 2044 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C25/42
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An oxidation protection system disposed on a substrate is provided, which may comprise a boron layer comprising a boron compound disposed on the substrate; a silicon layer comprising a silicon compound disposed on the boron layer; and at least one sealing layer comprising monoaluminum phosphate and phosphoric acid disposed on the silicon layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.