发明名称 |
PURIFICATION OF DIHYDROXYDIPHENYL |
摘要 |
The invention relates to a method for purifying dihydroxydiphenyl of general formula (I), wherein R and R' independently of one another represent H or a C1-C4 alkyl group, preferably H. Said method consists of a recrystallisation without additional reaction steps and toxic solvents and produces small quantities of waste. |
申请公布号 |
WO02072517(A1) |
申请公布日期 |
2002.09.19 |
申请号 |
WO2002EP01940 |
申请日期 |
2002.02.25 |
申请人 |
BAYER AKTIENGESELLSCHAFT;KRATSCHMER, SILKE;DEML, HANS |
发明人 |
KRATSCHMER, SILKE;DEML, HANS |
分类号 |
C07C37/84 |
主分类号 |
C07C37/84 |
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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