| 申请日期 | 2025-08-28 | 申请号 | JP2009537082 |
| 公开（公告）号 | JP5240728B2 | 公开（公告）日 | 2013-07-17 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Kem Ltd Segar500239823 | ||
| 简介 | The present invention relates to a method for purifying terephthalaldehyde which comprises a first step of dissolving terephthalaldehyde containing impurities in an aromatic solvent at high temperature to prepare a solution; and a second step of quenching the solution to re-crystallize it into terephthalaldehyde. In accordance with the present invention, high pure terephthalaldehyde may be economically prepared. | ||
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