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專利名稱 後部座席衝突防止エアバッグの吸?式空?充填器 (後座防撞空氣囊之吸氣式充氣器)
創作型式 發明
專利證號 JP4991232
國別 日本
獲證日期 2012/05/11
專利摘要 A method for producing 1,4-bis(difluoromethyl)tetrafluorobenzene is disclosed, which has the following steps: (a) mixing 1,4-bis(dichloromethyl)tetrafluorobenzene, a catalyst, an aprotic polar solvent, and an alkali metal fluoride to form a reaction mixture; (b) heating the reaction mixture; and (c) purifying the resultant to obtain 1,4-bis(difluoromethyl)tetrafluorobenzene.

IPC國際分類號

C07C0017093
聯絡人 王淳右
電話 #329566
EMAIL f437frank@ncsist.org.tw