High temperature oxidation protection for composites
US11634213B2 · kind B2 · utility
4Cited by
121References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2018 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Apr 11, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2200/0047
- 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.