发明名称 |
Process for the purification of halo-aldehydes |
摘要 |
Purification of haloaldehydes in a process that consists essentially of a first stage of purification in which the haloaldehydes are brought into contact with an absorbent solid, basic in nature, in the presence of water or free alcohols, and of a second stage of purification in which the halo-aldehydes thus treated are brought into contact with a solid absorbent carrying sulphonic, phosphonic or carboxylic acid groups in the form of salts of alkali or alkaline earth metals.
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申请公布号 |
US4054555(A) |
申请公布日期 |
1977.10.18 |
申请号 |
US19760685603 |
申请日期 |
1976.05.12 |
申请人 |
SOCIETA'+0 ITALIANA RESINE S.I.R. S.P.A. |
发明人 |
ACKERMANN, JACOB;RADICI, PIERINO |
分类号 |
C07C47/14 |
主分类号 |
C07C47/14 |
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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