| 专利名称 | Process for preparing dibasic salts of bisphenols | 申请号 | US20050120563 | 专利类型 | US | 公开（公告）号 | US2005272957 | 公开（授权）日 | 2005.12.08 | 申请（专利权）人 | 中国科学院长春应用化学研究所 | 发明（设计）人 | GAO CHANGLU (CN); GAO LIANXUN (CN); DING MENGXIAN (CN) | 主分类号 | C07C37/66 | IPC主分类号 | C07C37/66;C07C37/00;(IPC1-7):C07C39/12;C07C49/786 | 专利有效期 | Process for preparing dibasic salts of bisphenols 至Process for preparing dibasic salts of bisphenols | 法律状态 | 说明书摘要 | The present invention discloses a process for preparing dibasic salt of bisphenol from bisphenol and alkali, wherein the bisphenol and the alkali are reacted in a reaction medium consisting of an organic solvent or an aqueous inorganic salt solution, and then through filtration, a highly pure dibasic salt of bisphenol is directly obtained at a yield of higher than 90%. |
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