| 发明名称 |
A process for the preparation of sulfonated nitro coal acid (snca) useful as a heterogeneous acid catalyst from lignite |
| 摘要 |
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| 申请公布号 |
IN185583(B) |
申请公布日期 |
2001.03.03 |
| 申请号 |
IN1992DE77519 |
申请日期 |
1992.09.01 |
| 申请人 |
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
发明人 |
PARDHASARADHI MALLADI;NAIR CHEMBUMKULAM KAMALAKSHYAMMASNEHALATHA |
| 分类号 |
B01J21/00;(IPC1-7):B01J21/00 |
主分类号 |
B01J21/00 |
| 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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