发明名称 |
Process for preparing nicotinic acid |
摘要 |
<p>A method for the production of nicotinic acid (I) involves spray-drying an aqueous solution of ammonium nicotinate to form (I) followed by thermal treatment in a fluidized bed at 100-200 (preferably 130-170) degrees C or under reduced pressure (preferably at below 50 mbar) at 70-150 (preferably 80-120) degrees C.</p> |
申请公布号 |
IN187776(B) |
申请公布日期 |
2002.06.22 |
申请号 |
IN2592MA1998 |
申请日期 |
1998.11.17 |
申请人 |
LONZA AG. |
发明人 |
CHUCK, RODERICK JOHN, DR.;ZACHER, UWE, DR. |
分类号 |
C07D213/55;A23L33/00;C07D213/79;C07D213/803 |
主分类号 |
C07D213/55 |
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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