发明名称 |
Process for preparing organic acids. |
摘要 |
<p>A process for preparing a coal derivative comprising a mixture of monocyclic, polycyclic, multifunctional carboxylic acids which comprises contacting an aqueous slurry containing coal with aqueous nitric acid and then drying the resulting product to remove water therefrom.</p> |
申请公布号 |
EP0115109(A1) |
申请公布日期 |
1984.08.08 |
申请号 |
EP19830300407 |
申请日期 |
1983.01.26 |
申请人 |
GULF RESEARCH & DEVELOPMENT COMPANY |
发明人 |
SCHULZ, JOHANN G.D.;MARGOSIAN, DANIEL |
分类号 |
C07C51/27;(IPC1-7):07C51/27 |
主分类号 |
C07C51/27 |
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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