Process for the production of a polybenzoxazine monomer
US12065415B2 · kind B2 · utility
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Key dates
| Filing date | Mar 10, 2020 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Sep 17, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/0233
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for manufacturing a polybenzoxazine monomer, crosslinking the latter, and using the crosslinked product to form an ablative thermal protection system for a thruster nozzle or atmospheric reentry body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.