发明名称 Surfactant improvement for para-aminophenol process
摘要 The compound p-aminophenol is prepared by catalytically hydrogenating nitrobenzene in an acidic reaction medium containing an amine of the formula (I)oup having from 6 to about 20 carbon atoms; R1 and R2 are the same or different, and are represented by the formula -[(CH2)mO]nH, wherein m is an integer of from 1 to about 5 and n is an integer of from 1 to about 10.
申请公布号 US5312991(A) 申请公布日期 1994.05.17
申请号 US19920895632 申请日期 1992.06.09
申请人 MALLINCKRODT SPECIALTY CHEMICALS COMPANY 发明人 MILLER, DOUGLAS C.
分类号 C07B61/00;C07C213/00;C07C215/76;(IPC1-7):C07C213/00 主分类号 C07B61/00
代理机构 代理人
主权项
地址