| 发明名称 |
PROCESS FOR PURIFYING SORBIC ACID |
| 摘要 |
<p>Process for purifying sorbic acid by recrystallization from aqueous solutions of an alkali metal or ammonium salt of a carboxylic acid or phosphoric acid. Impurities may be eliminated in addition by means of an adsorption agent.</p> |
| 申请公布号 |
CA1028355(A) |
申请公布日期 |
1978.03.21 |
| 申请号 |
CA19740202653 |
申请日期 |
1974.06.17 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
FERNHOLZ, HANS;SCHMIDT, HANS-JOACHIM;WUNDER, FRIEDRICH |
| 分类号 |
C07C57/10;B01D9/02;C07C51/00;C07C51/42;C07C51/43;C07C67/00 |
主分类号 |
C07C57/10 |
| 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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