Method for manufacturing 1,4-bis (4-phenoxybenzoylbenzene) at an elevated temperature
US10618863B2 · kind B2 · utility
5Cited by
15References
17Claims
0Family size
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Key dates
| Filing date | May 16, 2018 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | May 28, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2650/62
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for manufacturing 1,4-bis 4-phenoxybenzoyl) benzene, including: providing a reactant mixture including terephthaloyl chloride and diphenyl ether in a solvent; adding a Lewis acid to the reactant mixture, so as to obtain a product mixture; wherein the temperature of the reactant mixture is greater than 5° C. during at least part of the step of adding the Lewis acid to the reactant mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.