Method for preparing halogen-substituted styrene monomer
US10988424B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Jul 27, 2018 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Jul 27, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/357
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present specification provides a method for preparing a styrene monomer including preparing a styrene monomer of Chemical Formula 2 by reacting a compound represented by Chemical Formula 1 in the presence of phosphoric acid, wherein the phosphoric acid is used in 100 mol % or greater based on 100 mol % of the compound represented by Chemical Formula 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.