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.
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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 |
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代理人 |
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主权项 |
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地址 |
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