发明名称 |
Method for producing diarylmethane |
摘要 |
A method for producing diarylalkanes at a high yield using an aromatic hydrocarbon and inexpensive formalin in the presence of an easily usable solid acid catalyst, and in the method, a mixture of an aromatic hydrocarbon and formalin, said mixture containing 1.5 to 12% by weight of water, is reacted at a temperature of 170 to 450 DEG C. under an elevated pressure in the presence of a zeolitic catalyst.
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申请公布号 |
US5880322(A) |
申请公布日期 |
1999.03.09 |
申请号 |
US19970988829 |
申请日期 |
1997.12.11 |
申请人 |
NIPPEN PETROCHEMICALS COMPANY, LIMITED |
发明人 |
DOHI, HIDEYUKI;HAYASHI, SYOZO |
分类号 |
C07C2/86;(IPC1-7):C07C1/20;C07C2/66 |
主分类号 |
C07C2/86 |
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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